20802425168

素因数分解:

$2^4\times 7^1\times {\mathrm{15739}}^1\times {\mathrm{11801}}^1$

素因数の和:27555

約数の個数: 40

約数和(自身を含む): 46069343040

約数和(自身を除く): 25266917872

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 11801, 15739, 23602, 31478, 47204, 62956, 82607, 94408, 110173, 125912, 165214, 188816, 220346, 251824, 330428, 440692, 660856, 881384, 1321712, 1762768, 185735939, 371471878, 742943756, 1300151573, 1485887512, 2600303146, 2971775024, 5200606292, 10401212584, 20802425168]

約数ペア:

[(1, 20802425168), (2, 10401212584), (4, 5200606292), (7, 2971775024), (8, 2600303146), (14, 1485887512), (16, 1300151573), (28, 742943756), (56, 371471878), (112, 185735939), (11801, 1762768), (15739, 1321712), (23602, 881384), (31478, 660856), (47204, 440692), (62956, 330428), (82607, 251824), (94408, 220346), (110173, 188816), (125912, 165214)]