20735520

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3323}}^1$

素因数の和:3354

約数の個数: 96

約数和(自身を含む): 70362432

約数和(自身を除く): 49626912

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 65, 78, 80, 96, 104, 120, 130, 156, 160, 195, 208, 240, 260, 312, 390, 416, 480, 520, 624, 780, 1040, 1248, 1560, 2080, 3120, 3323, 6240, 6646, 9969, 13292, 16615, 19938, 26584, 33230, 39876, 43199, 49845, 53168, 66460, 79752, 86398, 99690, 106336, 129597, 132920, 159504, 172796, 199380, 215995, 259194, 265840, 319008, 345592, 398760, 431990, 518388, 531680, 647985, 691184, 797520, 863980, 1036776, 1295970, 1382368, 1595040, 1727960, 2073552, 2591940, 3455920, 4147104, 5183880, 6911840, 10367760, 20735520]

約数ペア:

[(1, 20735520), (2, 10367760), (3, 6911840), (4, 5183880), (5, 4147104), (6, 3455920), (8, 2591940), (10, 2073552), (12, 1727960), (13, 1595040), (15, 1382368), (16, 1295970), (20, 1036776), (24, 863980), (26, 797520), (30, 691184), (32, 647985), (39, 531680), (40, 518388), (48, 431990), (52, 398760), (60, 345592), (65, 319008), (78, 265840), (80, 259194), (96, 215995), (104, 199380), (120, 172796), (130, 159504), (156, 132920), (160, 129597), (195, 106336), (208, 99690), (240, 86398), (260, 79752), (312, 66460), (390, 53168), (416, 49845), (480, 43199), (520, 39876), (624, 33230), (780, 26584), (1040, 19938), (1248, 16615), (1560, 13292), (2080, 9969), (3120, 6646), (3323, 6240)]