20178440086

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{359}}^1\times {\mathrm{1009}}^1$

素因数の和:1573

約数の個数: 64

約数和(自身を含む): 36441446400

約数和(自身を除く): 16263006314

約数列:

[1, 2, 7, 14, 23, 46, 161, 173, 322, 346, 359, 718, 1009, 1211, 2018, 2422, 2513, 3979, 5026, 7063, 7958, 8257, 14126, 16514, 23207, 27853, 46414, 55706, 57799, 62107, 115598, 124214, 162449, 174557, 324898, 349114, 362231, 434749, 724462, 869498, 1221899, 1428461, 2443798, 2535617, 2856922, 4014811, 5071234, 8029622, 8331313, 9999227, 16662626, 19998454, 28103677, 56207354, 58319191, 62665963, 116638382, 125331926, 438661741, 877323482, 1441317149, 2882634298, 10089220043, 20178440086]

約数ペア:

[(1, 20178440086), (2, 10089220043), (7, 2882634298), (14, 1441317149), (23, 877323482), (46, 438661741), (161, 125331926), (173, 116638382), (322, 62665963), (346, 58319191), (359, 56207354), (718, 28103677), (1009, 19998454), (1211, 16662626), (2018, 9999227), (2422, 8331313), (2513, 8029622), (3979, 5071234), (5026, 4014811), (7063, 2856922), (7958, 2535617), (8257, 2443798), (14126, 1428461), (16514, 1221899), (23207, 869498), (27853, 724462), (46414, 434749), (55706, 362231), (57799, 349114), (62107, 324898), (115598, 174557), (124214, 162449)]