20633940

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{271}}^1$

素因数の和:339

約数の個数: 120

約数和(自身を含む): 66350592

約数和(自身を除く): 45716652

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 47, 54, 60, 81, 90, 94, 108, 135, 141, 162, 180, 188, 235, 270, 271, 282, 324, 405, 423, 470, 540, 542, 564, 705, 810, 813, 846, 940, 1084, 1269, 1355, 1410, 1620, 1626, 1692, 2115, 2439, 2538, 2710, 2820, 3252, 3807, 4065, 4230, 4878, 5076, 5420, 6345, 7317, 7614, 8130, 8460, 9756, 12195, 12690, 12737, 14634, 15228, 16260, 19035, 21951, 24390, 25380, 25474, 29268, 36585, 38070, 38211, 43902, 48780, 50948, 63685, 73170, 76140, 76422, 87804, 109755, 114633, 127370, 146340, 152844, 191055, 219510, 229266, 254740, 343899, 382110, 439020, 458532, 573165, 687798, 764220, 1031697, 1146330, 1375596, 1719495, 2063394, 2292660, 3438990, 4126788, 5158485, 6877980, 10316970, 20633940]

約数ペア:

[(1, 20633940), (2, 10316970), (3, 6877980), (4, 5158485), (5, 4126788), (6, 3438990), (9, 2292660), (10, 2063394), (12, 1719495), (15, 1375596), (18, 1146330), (20, 1031697), (27, 764220), (30, 687798), (36, 573165), (45, 458532), (47, 439020), (54, 382110), (60, 343899), (81, 254740), (90, 229266), (94, 219510), (108, 191055), (135, 152844), (141, 146340), (162, 127370), (180, 114633), (188, 109755), (235, 87804), (270, 76422), (271, 76140), (282, 73170), (324, 63685), (405, 50948), (423, 48780), (470, 43902), (540, 38211), (542, 38070), (564, 36585), (705, 29268), (810, 25474), (813, 25380), (846, 24390), (940, 21951), (1084, 19035), (1269, 16260), (1355, 15228), (1410, 14634), (1620, 12737), (1626, 12690), (1692, 12195), (2115, 9756), (2439, 8460), (2538, 8130), (2710, 7614), (2820, 7317), (3252, 6345), (3807, 5420), (4065, 5076), (4230, 4878)]