20797859992

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{463}}^1\times {\mathrm{61703}}^1$

素因数の和:62192

約数の個数: 64

約数和(自身を含む): 48099502080

約数和(自身を除く): 27301642088

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 463, 728, 926, 1852, 3241, 3704, 6019, 6482, 12038, 12964, 24076, 25928, 42133, 48152, 61703, 84266, 123406, 168532, 246812, 337064, 431921, 493624, 802139, 863842, 1604278, 1727684, 3208556, 3455368, 5614973, 6417112, 11229946, 22459892, 28568489, 44919784, 57136978, 114273956, 199979423, 228547912, 371390357, 399958846, 742780714, 799917692, 1485561428, 1599835384, 2599732499, 2971122856, 5199464998, 10398929996, 20797859992]

約数ペア:

[(1, 20797859992), (2, 10398929996), (4, 5199464998), (7, 2971122856), (8, 2599732499), (13, 1599835384), (14, 1485561428), (26, 799917692), (28, 742780714), (52, 399958846), (56, 371390357), (91, 228547912), (104, 199979423), (182, 114273956), (364, 57136978), (463, 44919784), (728, 28568489), (926, 22459892), (1852, 11229946), (3241, 6417112), (3704, 5614973), (6019, 3455368), (6482, 3208556), (12038, 1727684), (12964, 1604278), (24076, 863842), (25928, 802139), (42133, 493624), (48152, 431921), (61703, 337064), (84266, 246812), (123406, 168532)]