20375940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{173}}^1$

素因数の和:349

約数の個数: 96

約数和(自身を含む): 62205696

約数和(自身を除く): 41829756

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 151, 156, 173, 195, 260, 302, 346, 390, 453, 519, 604, 692, 755, 780, 865, 906, 1038, 1510, 1730, 1812, 1963, 2076, 2249, 2265, 2595, 3020, 3460, 3926, 4498, 4530, 5190, 5889, 6747, 7852, 8996, 9060, 9815, 10380, 11245, 11778, 13494, 19630, 22490, 23556, 26123, 26988, 29445, 33735, 39260, 44980, 52246, 58890, 67470, 78369, 104492, 117780, 130615, 134940, 156738, 261230, 313476, 339599, 391845, 522460, 679198, 783690, 1018797, 1358396, 1567380, 1697995, 2037594, 3395990, 4075188, 5093985, 6791980, 10187970, 20375940]

約数ペア:

[(1, 20375940), (2, 10187970), (3, 6791980), (4, 5093985), (5, 4075188), (6, 3395990), (10, 2037594), (12, 1697995), (13, 1567380), (15, 1358396), (20, 1018797), (26, 783690), (30, 679198), (39, 522460), (52, 391845), (60, 339599), (65, 313476), (78, 261230), (130, 156738), (151, 134940), (156, 130615), (173, 117780), (195, 104492), (260, 78369), (302, 67470), (346, 58890), (390, 52246), (453, 44980), (519, 39260), (604, 33735), (692, 29445), (755, 26988), (780, 26123), (865, 23556), (906, 22490), (1038, 19630), (1510, 13494), (1730, 11778), (1812, 11245), (1963, 10380), (2076, 9815), (2249, 9060), (2265, 8996), (2595, 7852), (3020, 6747), (3460, 5889), (3926, 5190), (4498, 4530)]