20613690

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{499}}^1$

素因数の和:538

約数の個数: 96

約数和(自身を含む): 58968000

約数和(自身を除く): 38354310

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 27, 30, 34, 45, 51, 54, 81, 85, 90, 102, 135, 153, 162, 170, 243, 255, 270, 306, 405, 459, 486, 499, 510, 765, 810, 918, 998, 1215, 1377, 1497, 1530, 2295, 2430, 2495, 2754, 2994, 4131, 4491, 4590, 4990, 6885, 7485, 8262, 8483, 8982, 13473, 13770, 14970, 16966, 20655, 22455, 25449, 26946, 40419, 41310, 42415, 44910, 50898, 67365, 76347, 80838, 84830, 121257, 127245, 134730, 152694, 202095, 229041, 242514, 254490, 381735, 404190, 458082, 606285, 687123, 763470, 1145205, 1212570, 1374246, 2061369, 2290410, 3435615, 4122738, 6871230, 10306845, 20613690]

約数ペア:

[(1, 20613690), (2, 10306845), (3, 6871230), (5, 4122738), (6, 3435615), (9, 2290410), (10, 2061369), (15, 1374246), (17, 1212570), (18, 1145205), (27, 763470), (30, 687123), (34, 606285), (45, 458082), (51, 404190), (54, 381735), (81, 254490), (85, 242514), (90, 229041), (102, 202095), (135, 152694), (153, 134730), (162, 127245), (170, 121257), (243, 84830), (255, 80838), (270, 76347), (306, 67365), (405, 50898), (459, 44910), (486, 42415), (499, 41310), (510, 40419), (765, 26946), (810, 25449), (918, 22455), (998, 20655), (1215, 16966), (1377, 14970), (1497, 13770), (1530, 13473), (2295, 8982), (2430, 8483), (2495, 8262), (2754, 7485), (2994, 6885), (4131, 4990), (4491, 4590)]