20581649040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2091631}}^1$

素因数の和:2091688

約数の個数: 80

約数和(自身を含む): 65359316736

約数和(自身を除く): 44777667696

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 41, 48, 60, 80, 82, 120, 123, 164, 205, 240, 246, 328, 410, 492, 615, 656, 820, 984, 1230, 1640, 1968, 2460, 3280, 4920, 9840, 2091631, 4183262, 6274893, 8366524, 10458155, 12549786, 16733048, 20916310, 25099572, 31374465, 33466096, 41832620, 50199144, 62748930, 83665240, 85756871, 100398288, 125497860, 167330480, 171513742, 250995720, 257270613, 343027484, 428784355, 501991440, 514541226, 686054968, 857568710, 1029082452, 1286353065, 1372109936, 1715137420, 2058164904, 2572706130, 3430274840, 4116329808, 5145412260, 6860549680, 10290824520, 20581649040]

約数ペア:

[(1, 20581649040), (2, 10290824520), (3, 6860549680), (4, 5145412260), (5, 4116329808), (6, 3430274840), (8, 2572706130), (10, 2058164904), (12, 1715137420), (15, 1372109936), (16, 1286353065), (20, 1029082452), (24, 857568710), (30, 686054968), (40, 514541226), (41, 501991440), (48, 428784355), (60, 343027484), (80, 257270613), (82, 250995720), (120, 171513742), (123, 167330480), (164, 125497860), (205, 100398288), (240, 85756871), (246, 83665240), (328, 62748930), (410, 50199144), (492, 41832620), (615, 33466096), (656, 31374465), (820, 25099572), (984, 20916310), (1230, 16733048), (1640, 12549786), (1968, 10458155), (2460, 8366524), (3280, 6274893), (4920, 4183262), (9840, 2091631)]