20236140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:192

約数の個数: 144

約数和(自身を含む): 66349920

約数和(自身を除く): 46113780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 61, 76, 90, 95, 97, 114, 122, 171, 180, 183, 190, 194, 228, 244, 285, 291, 305, 342, 366, 380, 388, 485, 549, 570, 582, 610, 684, 732, 855, 873, 915, 970, 1098, 1140, 1159, 1164, 1220, 1455, 1710, 1746, 1830, 1843, 1940, 2196, 2318, 2745, 2910, 3420, 3477, 3492, 3660, 3686, 4365, 4636, 5490, 5529, 5795, 5820, 5917, 6954, 7372, 8730, 9215, 10431, 10980, 11058, 11590, 11834, 13908, 16587, 17385, 17460, 17751, 18430, 20862, 22116, 23180, 23668, 27645, 29585, 33174, 34770, 35502, 36860, 41724, 52155, 53253, 55290, 59170, 66348, 69540, 71004, 82935, 88755, 104310, 106506, 110580, 112423, 118340, 165870, 177510, 208620, 213012, 224846, 266265, 331740, 337269, 355020, 449692, 532530, 562115, 674538, 1011807, 1065060, 1124230, 1349076, 1686345, 2023614, 2248460, 3372690, 4047228, 5059035, 6745380, 10118070, 20236140]

約数ペア:

[(1, 20236140), (2, 10118070), (3, 6745380), (4, 5059035), (5, 4047228), (6, 3372690), (9, 2248460), (10, 2023614), (12, 1686345), (15, 1349076), (18, 1124230), (19, 1065060), (20, 1011807), (30, 674538), (36, 562115), (38, 532530), (45, 449692), (57, 355020), (60, 337269), (61, 331740), (76, 266265), (90, 224846), (95, 213012), (97, 208620), (114, 177510), (122, 165870), (171, 118340), (180, 112423), (183, 110580), (190, 106506), (194, 104310), (228, 88755), (244, 82935), (285, 71004), (291, 69540), (305, 66348), (342, 59170), (366, 55290), (380, 53253), (388, 52155), (485, 41724), (549, 36860), (570, 35502), (582, 34770), (610, 33174), (684, 29585), (732, 27645), (855, 23668), (873, 23180), (915, 22116), (970, 20862), (1098, 18430), (1140, 17751), (1159, 17460), (1164, 17385), (1220, 16587), (1455, 13908), (1710, 11834), (1746, 11590), (1830, 11058), (1843, 10980), (1940, 10431), (2196, 9215), (2318, 8730), (2745, 7372), (2910, 6954), (3420, 5917), (3477, 5820), (3492, 5795), (3660, 5529), (3686, 5490), (4365, 4636)]