20698408980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{401}}^1\times {\mathrm{1567}}^1$

素因数の和:2047

約数の個数: 192

約数和(自身を含む): 65655797760

約数和(自身を除く): 44957388780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 61, 90, 108, 122, 135, 180, 183, 244, 270, 305, 366, 401, 540, 549, 610, 732, 802, 915, 1098, 1203, 1220, 1567, 1604, 1647, 1830, 2005, 2196, 2406, 2745, 3134, 3294, 3609, 3660, 4010, 4701, 4812, 5490, 6015, 6268, 6588, 7218, 7835, 8020, 8235, 9402, 10827, 10980, 12030, 14103, 14436, 15670, 16470, 18045, 18804, 21654, 23505, 24060, 24461, 28206, 31340, 32940, 36090, 42309, 43308, 47010, 48922, 54135, 56412, 70515, 72180, 73383, 84618, 94020, 95587, 97844, 108270, 122305, 141030, 146766, 169236, 191174, 211545, 216540, 220149, 244610, 282060, 286761, 293532, 366915, 382348, 423090, 440298, 477935, 489220, 573522, 628367, 660447, 733830, 846180, 860283, 880596, 955870, 1100745, 1147044, 1256734, 1320894, 1433805, 1467660, 1720566, 1885101, 1911740, 2201490, 2513468, 2580849, 2641788, 2867610, 3141835, 3302235, 3441132, 3770202, 4301415, 4402980, 5161698, 5655303, 5735220, 6283670, 6604470, 7540404, 8602830, 9425505, 10323396, 11310606, 12567340, 12904245, 13208940, 16965909, 17205660, 18851010, 22621212, 25808490, 28276515, 33931818, 37702020, 38330387, 51616980, 56553030, 67863636, 76660774, 84829545, 113106060, 114991161, 153321548, 169659090, 191651935, 229982322, 339318180, 344973483, 383303870, 459964644, 574955805, 689946966, 766607740, 1034920449, 1149911610, 1379893932, 1724867415, 2069840898, 2299823220, 3449734830, 4139681796, 5174602245, 6899469660, 10349204490, 20698408980]

約数ペア:

[(1, 20698408980), (2, 10349204490), (3, 6899469660), (4, 5174602245), (5, 4139681796), (6, 3449734830), (9, 2299823220), (10, 2069840898), (12, 1724867415), (15, 1379893932), (18, 1149911610), (20, 1034920449), (27, 766607740), (30, 689946966), (36, 574955805), (45, 459964644), (54, 383303870), (60, 344973483), (61, 339318180), (90, 229982322), (108, 191651935), (122, 169659090), (135, 153321548), (180, 114991161), (183, 113106060), (244, 84829545), (270, 76660774), (305, 67863636), (366, 56553030), (401, 51616980), (540, 38330387), (549, 37702020), (610, 33931818), (732, 28276515), (802, 25808490), (915, 22621212), (1098, 18851010), (1203, 17205660), (1220, 16965909), (1567, 13208940), (1604, 12904245), (1647, 12567340), (1830, 11310606), (2005, 10323396), (2196, 9425505), (2406, 8602830), (2745, 7540404), (3134, 6604470), (3294, 6283670), (3609, 5735220), (3660, 5655303), (4010, 5161698), (4701, 4402980), (4812, 4301415), (5490, 3770202), (6015, 3441132), (6268, 3302235), (6588, 3141835), (7218, 2867610), (7835, 2641788), (8020, 2580849), (8235, 2513468), (9402, 2201490), (10827, 1911740), (10980, 1885101), (12030, 1720566), (14103, 1467660), (14436, 1433805), (15670, 1320894), (16470, 1256734), (18045, 1147044), (18804, 1100745), (21654, 955870), (23505, 880596), (24060, 860283), (24461, 846180), (28206, 733830), (31340, 660447), (32940, 628367), (36090, 573522), (42309, 489220), (43308, 477935), (47010, 440298), (48922, 423090), (54135, 382348), (56412, 366915), (70515, 293532), (72180, 286761), (73383, 282060), (84618, 244610), (94020, 220149), (95587, 216540), (97844, 211545), (108270, 191174), (122305, 169236), (141030, 146766)]