20964989040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{947}}^1\times {\mathrm{92243}}^1$

素因数の和:93206

約数の個数: 80

約数和(自身を含む): 65060800128

約数和(自身を除く): 44095811088

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 947, 1894, 2841, 3788, 4735, 5682, 7576, 9470, 11364, 14205, 15152, 18940, 22728, 28410, 37880, 45456, 56820, 75760, 92243, 113640, 184486, 227280, 276729, 368972, 461215, 553458, 737944, 922430, 1106916, 1383645, 1475888, 1844860, 2213832, 2767290, 3689720, 4427664, 5534580, 7379440, 11069160, 22138320, 87354121, 174708242, 262062363, 349416484, 436770605, 524124726, 698832968, 873541210, 1048249452, 1310311815, 1397665936, 1747082420, 2096498904, 2620623630, 3494164840, 4192997808, 5241247260, 6988329680, 10482494520, 20964989040]

約数ペア:

[(1, 20964989040), (2, 10482494520), (3, 6988329680), (4, 5241247260), (5, 4192997808), (6, 3494164840), (8, 2620623630), (10, 2096498904), (12, 1747082420), (15, 1397665936), (16, 1310311815), (20, 1048249452), (24, 873541210), (30, 698832968), (40, 524124726), (48, 436770605), (60, 349416484), (80, 262062363), (120, 174708242), (240, 87354121), (947, 22138320), (1894, 11069160), (2841, 7379440), (3788, 5534580), (4735, 4427664), (5682, 3689720), (7576, 2767290), (9470, 2213832), (11364, 1844860), (14205, 1475888), (15152, 1383645), (18940, 1106916), (22728, 922430), (28410, 737944), (37880, 553458), (45456, 461215), (56820, 368972), (75760, 276729), (92243, 227280), (113640, 184486)]