20343875580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{16145933}}^1$

素因数の和:16145955

約数の個数: 72

約数和(自身を含む): 70525439712

約数和(自身を除く): 50181564132

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 16145933, 32291866, 48437799, 64583732, 80729665, 96875598, 113021531, 145313397, 161459330, 193751196, 226043062, 242188995, 290626794, 322918660, 339064593, 452086124, 484377990, 565107655, 581253588, 678129186, 726566985, 968755980, 1017193779, 1130215310, 1356258372, 1453133970, 1695322965, 2034387558, 2260430620, 2906267940, 3390645930, 4068775116, 5085968895, 6781291860, 10171937790, 20343875580]

約数ペア:

[(1, 20343875580), (2, 10171937790), (3, 6781291860), (4, 5085968895), (5, 4068775116), (6, 3390645930), (7, 2906267940), (9, 2260430620), (10, 2034387558), (12, 1695322965), (14, 1453133970), (15, 1356258372), (18, 1130215310), (20, 1017193779), (21, 968755980), (28, 726566985), (30, 678129186), (35, 581253588), (36, 565107655), (42, 484377990), (45, 452086124), (60, 339064593), (63, 322918660), (70, 290626794), (84, 242188995), (90, 226043062), (105, 193751196), (126, 161459330), (140, 145313397), (180, 113021531), (210, 96875598), (252, 80729665), (315, 64583732), (420, 48437799), (630, 32291866), (1260, 16145933)]