20003100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1$

素因数の和:276

約数の個数: 144

約数和(自身を含む): 65329152

約数和(自身を除く): 45326052

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 23, 25, 26, 30, 39, 46, 50, 52, 60, 65, 69, 75, 78, 92, 100, 115, 130, 138, 150, 156, 195, 223, 230, 260, 276, 299, 300, 325, 345, 390, 446, 460, 575, 598, 650, 669, 690, 780, 892, 897, 975, 1115, 1150, 1196, 1300, 1338, 1380, 1495, 1725, 1794, 1950, 2230, 2300, 2676, 2899, 2990, 3345, 3450, 3588, 3900, 4460, 4485, 5129, 5575, 5798, 5980, 6690, 6900, 7475, 8697, 8970, 10258, 11150, 11596, 13380, 14495, 14950, 15387, 16725, 17394, 17940, 20516, 22300, 22425, 25645, 28990, 29900, 30774, 33450, 34788, 43485, 44850, 51290, 57980, 61548, 66677, 66900, 72475, 76935, 86970, 89700, 102580, 128225, 133354, 144950, 153870, 173940, 200031, 217425, 256450, 266708, 289900, 307740, 333385, 384675, 400062, 434850, 512900, 666770, 769350, 800124, 869700, 1000155, 1333540, 1538700, 1666925, 2000310, 3333850, 4000620, 5000775, 6667700, 10001550, 20003100]

約数ペア:

[(1, 20003100), (2, 10001550), (3, 6667700), (4, 5000775), (5, 4000620), (6, 3333850), (10, 2000310), (12, 1666925), (13, 1538700), (15, 1333540), (20, 1000155), (23, 869700), (25, 800124), (26, 769350), (30, 666770), (39, 512900), (46, 434850), (50, 400062), (52, 384675), (60, 333385), (65, 307740), (69, 289900), (75, 266708), (78, 256450), (92, 217425), (100, 200031), (115, 173940), (130, 153870), (138, 144950), (150, 133354), (156, 128225), (195, 102580), (223, 89700), (230, 86970), (260, 76935), (276, 72475), (299, 66900), (300, 66677), (325, 61548), (345, 57980), (390, 51290), (446, 44850), (460, 43485), (575, 34788), (598, 33450), (650, 30774), (669, 29900), (690, 28990), (780, 25645), (892, 22425), (897, 22300), (975, 20516), (1115, 17940), (1150, 17394), (1196, 16725), (1300, 15387), (1338, 14950), (1380, 14495), (1495, 13380), (1725, 11596), (1794, 11150), (1950, 10258), (2230, 8970), (2300, 8697), (2676, 7475), (2899, 6900), (2990, 6690), (3345, 5980), (3450, 5798), (3588, 5575), (3900, 5129), (4460, 4485)]