20512790220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1303}}^1\times {\mathrm{20183}}^1$

素因数の和:21511

約数の個数: 96

約数和(自身を含む): 61904489472

約数和(自身を除く): 41391699252

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 1303, 2606, 3909, 5212, 6515, 7818, 13030, 15636, 16939, 19545, 20183, 26060, 33878, 39090, 40366, 50817, 60549, 67756, 78180, 80732, 84695, 100915, 101634, 121098, 169390, 201830, 203268, 242196, 254085, 262379, 302745, 338780, 403660, 508170, 524758, 605490, 787137, 1016340, 1049516, 1210980, 1311895, 1574274, 2623790, 3148548, 3935685, 5247580, 7871370, 15742740, 26298449, 52596898, 78895347, 105193796, 131492245, 157790694, 262984490, 315581388, 341879837, 394476735, 525968980, 683759674, 788953470, 1025639511, 1367519348, 1577906940, 1709399185, 2051279022, 3418798370, 4102558044, 5128197555, 6837596740, 10256395110, 20512790220]

約数ペア:

[(1, 20512790220), (2, 10256395110), (3, 6837596740), (4, 5128197555), (5, 4102558044), (6, 3418798370), (10, 2051279022), (12, 1709399185), (13, 1577906940), (15, 1367519348), (20, 1025639511), (26, 788953470), (30, 683759674), (39, 525968980), (52, 394476735), (60, 341879837), (65, 315581388), (78, 262984490), (130, 157790694), (156, 131492245), (195, 105193796), (260, 78895347), (390, 52596898), (780, 26298449), (1303, 15742740), (2606, 7871370), (3909, 5247580), (5212, 3935685), (6515, 3148548), (7818, 2623790), (13030, 1574274), (15636, 1311895), (16939, 1210980), (19545, 1049516), (20183, 1016340), (26060, 787137), (33878, 605490), (39090, 524758), (40366, 508170), (50817, 403660), (60549, 338780), (67756, 302745), (78180, 262379), (80732, 254085), (84695, 242196), (100915, 203268), (101634, 201830), (121098, 169390)]