20149696140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{321983}}^1$

素因数の和:322151

約数の個数: 96

約数和(自身を含む): 64911974400

約数和(自身を除く): 44762278260

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 149, 210, 298, 420, 447, 596, 745, 894, 1043, 1490, 1788, 2086, 2235, 2980, 3129, 4172, 4470, 5215, 6258, 8940, 10430, 12516, 15645, 20860, 31290, 62580, 321983, 643966, 965949, 1287932, 1609915, 1931898, 2253881, 3219830, 3863796, 4507762, 4829745, 6439660, 6761643, 9015524, 9659490, 11269405, 13523286, 19318980, 22538810, 27046572, 33808215, 45077620, 47975467, 67616430, 95950934, 135232860, 143926401, 191901868, 239877335, 287852802, 335828269, 479754670, 575705604, 671656538, 719632005, 959509340, 1007484807, 1343313076, 1439264010, 1679141345, 2014969614, 2878528020, 3358282690, 4029939228, 5037424035, 6716565380, 10074848070, 20149696140]

約数ペア:

[(1, 20149696140), (2, 10074848070), (3, 6716565380), (4, 5037424035), (5, 4029939228), (6, 3358282690), (7, 2878528020), (10, 2014969614), (12, 1679141345), (14, 1439264010), (15, 1343313076), (20, 1007484807), (21, 959509340), (28, 719632005), (30, 671656538), (35, 575705604), (42, 479754670), (60, 335828269), (70, 287852802), (84, 239877335), (105, 191901868), (140, 143926401), (149, 135232860), (210, 95950934), (298, 67616430), (420, 47975467), (447, 45077620), (596, 33808215), (745, 27046572), (894, 22538810), (1043, 19318980), (1490, 13523286), (1788, 11269405), (2086, 9659490), (2235, 9015524), (2980, 6761643), (3129, 6439660), (4172, 4829745), (4470, 4507762), (5215, 3863796), (6258, 3219830), (8940, 2253881), (10430, 1931898), (12516, 1609915), (15645, 1287932), (20860, 965949), (31290, 643966), (62580, 321983)]