20122930920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{277}}^1\times {\mathrm{26321}}^1$

素因数の和:26635

約数の個数: 128

約数和(自身を含む): 63223338240

約数和(自身を除く): 43100407320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 277, 345, 460, 552, 554, 690, 831, 920, 1108, 1380, 1385, 1662, 2216, 2760, 2770, 3324, 4155, 5540, 6371, 6648, 8310, 11080, 12742, 16620, 19113, 25484, 26321, 31855, 33240, 38226, 50968, 52642, 63710, 76452, 78963, 95565, 105284, 127420, 131605, 152904, 157926, 191130, 210568, 254840, 263210, 315852, 382260, 394815, 526420, 605383, 631704, 764520, 789630, 1052840, 1210766, 1579260, 1816149, 2421532, 3026915, 3158520, 3632298, 4843064, 6053830, 7264596, 7290917, 9080745, 12107660, 14529192, 14581834, 18161490, 21872751, 24215320, 29163668, 36322980, 36454585, 43745502, 58327336, 72645960, 72909170, 87491004, 109363755, 145818340, 167691091, 174982008, 218727510, 291636680, 335382182, 437455020, 503073273, 670764364, 838455455, 874910040, 1006146546, 1341528728, 1676910910, 2012293092, 2515366365, 3353821820, 4024586184, 5030732730, 6707643640, 10061465460, 20122930920]

約数ペア:

[(1, 20122930920), (2, 10061465460), (3, 6707643640), (4, 5030732730), (5, 4024586184), (6, 3353821820), (8, 2515366365), (10, 2012293092), (12, 1676910910), (15, 1341528728), (20, 1006146546), (23, 874910040), (24, 838455455), (30, 670764364), (40, 503073273), (46, 437455020), (60, 335382182), (69, 291636680), (92, 218727510), (115, 174982008), (120, 167691091), (138, 145818340), (184, 109363755), (230, 87491004), (276, 72909170), (277, 72645960), (345, 58327336), (460, 43745502), (552, 36454585), (554, 36322980), (690, 29163668), (831, 24215320), (920, 21872751), (1108, 18161490), (1380, 14581834), (1385, 14529192), (1662, 12107660), (2216, 9080745), (2760, 7290917), (2770, 7264596), (3324, 6053830), (4155, 4843064), (5540, 3632298), (6371, 3158520), (6648, 3026915), (8310, 2421532), (11080, 1816149), (12742, 1579260), (16620, 1210766), (19113, 1052840), (25484, 789630), (26321, 764520), (31855, 631704), (33240, 605383), (38226, 526420), (50968, 394815), (52642, 382260), (63710, 315852), (76452, 263210), (78963, 254840), (95565, 210568), (105284, 191130), (127420, 157926), (131605, 152904)]