20169900471

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{257}}^1\times {\mathrm{823}}^1$

素因数の和:1348

約数の個数: 64

約数和(自身を含む): 32654131200

約数和(自身を除く): 12484230729

約数列:

[1, 3, 7, 19, 21, 57, 133, 239, 257, 399, 717, 771, 823, 1673, 1799, 2469, 4541, 4883, 5019, 5397, 5761, 13623, 14649, 15637, 17283, 31787, 34181, 46911, 61423, 95361, 102543, 109459, 184269, 196697, 211511, 328377, 429961, 590091, 634533, 1167037, 1289883, 1376879, 1480577, 3501111, 3737243, 4018709, 4130637, 4441731, 8169259, 11211729, 12056127, 24507777, 26160701, 28130963, 50551129, 78482103, 84392889, 151653387, 353857903, 960471451, 1061573709, 2881414353, 6723300157, 20169900471]

約数ペア:

[(1, 20169900471), (3, 6723300157), (7, 2881414353), (19, 1061573709), (21, 960471451), (57, 353857903), (133, 151653387), (239, 84392889), (257, 78482103), (399, 50551129), (717, 28130963), (771, 26160701), (823, 24507777), (1673, 12056127), (1799, 11211729), (2469, 8169259), (4541, 4441731), (4883, 4130637), (5019, 4018709), (5397, 3737243), (5761, 3501111), (13623, 1480577), (14649, 1376879), (15637, 1289883), (17283, 1167037), (31787, 634533), (34181, 590091), (46911, 429961), (61423, 328377), (95361, 211511), (102543, 196697), (109459, 184269)]