20694250

素因数分解:

$2^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:160

約数の個数: 64

約数和(自身を含む): 41783040

約数和(自身を除く): 21088790

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 59, 61, 115, 118, 122, 125, 230, 250, 295, 305, 575, 590, 610, 1150, 1357, 1403, 1475, 1525, 2714, 2806, 2875, 2950, 3050, 3599, 5750, 6785, 7015, 7198, 7375, 7625, 13570, 14030, 14750, 15250, 17995, 33925, 35075, 35990, 67850, 70150, 82777, 89975, 165554, 169625, 175375, 179950, 339250, 350750, 413885, 449875, 827770, 899750, 2069425, 4138850, 10347125, 20694250]

約数ペア:

[(1, 20694250), (2, 10347125), (5, 4138850), (10, 2069425), (23, 899750), (25, 827770), (46, 449875), (50, 413885), (59, 350750), (61, 339250), (115, 179950), (118, 175375), (122, 169625), (125, 165554), (230, 89975), (250, 82777), (295, 70150), (305, 67850), (575, 35990), (590, 35075), (610, 33925), (1150, 17995), (1357, 15250), (1403, 14750), (1475, 14030), (1525, 13570), (2714, 7625), (2806, 7375), (2875, 7198), (2950, 7015), (3050, 6785), (3599, 5750)]