20158218180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{387509}}^1$

素因数の和:387558

約数の個数: 108

約数和(自身を含む): 64955201220

約数和(自身を除く): 44796983040

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 289, 306, 340, 510, 578, 612, 765, 867, 1020, 1156, 1445, 1530, 1734, 2601, 2890, 3060, 3468, 4335, 5202, 5780, 8670, 10404, 13005, 17340, 26010, 52020, 387509, 775018, 1162527, 1550036, 1937545, 2325054, 3487581, 3875090, 4650108, 5812635, 6587653, 6975162, 7750180, 11625270, 13175306, 13950324, 17437905, 19762959, 23250540, 26350612, 32938265, 34875810, 39525918, 59288877, 65876530, 69751620, 79051836, 98814795, 111990101, 118577754, 131753060, 197629590, 223980202, 237155508, 296444385, 335970303, 395259180, 447960404, 559950505, 592888770, 671940606, 1007910909, 1119901010, 1185777540, 1343881212, 1679851515, 2015821818, 2239802020, 3359703030, 4031643636, 5039554545, 6719406060, 10079109090, 20158218180]

約数ペア:

[(1, 20158218180), (2, 10079109090), (3, 6719406060), (4, 5039554545), (5, 4031643636), (6, 3359703030), (9, 2239802020), (10, 2015821818), (12, 1679851515), (15, 1343881212), (17, 1185777540), (18, 1119901010), (20, 1007910909), (30, 671940606), (34, 592888770), (36, 559950505), (45, 447960404), (51, 395259180), (60, 335970303), (68, 296444385), (85, 237155508), (90, 223980202), (102, 197629590), (153, 131753060), (170, 118577754), (180, 111990101), (204, 98814795), (255, 79051836), (289, 69751620), (306, 65876530), (340, 59288877), (510, 39525918), (578, 34875810), (612, 32938265), (765, 26350612), (867, 23250540), (1020, 19762959), (1156, 17437905), (1445, 13950324), (1530, 13175306), (1734, 11625270), (2601, 7750180), (2890, 6975162), (3060, 6587653), (3468, 5812635), (4335, 4650108), (5202, 3875090), (5780, 3487581), (8670, 2325054), (10404, 1937545), (13005, 1550036), (17340, 1162527), (26010, 775018), (52020, 387509)]