20168271501

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1\times {\mathrm{1097}}^1$

素因数の和:1442

約数の個数: 64

約数和(自身を含む): 31946213376

約数和(自身を除く): 11777941875

約数列:

[1, 3, 7, 21, 41, 123, 131, 163, 287, 393, 489, 861, 917, 1097, 1141, 2751, 3291, 3423, 5371, 6683, 7679, 16113, 20049, 21353, 23037, 37597, 44977, 46781, 64059, 112791, 134931, 140343, 143707, 149471, 178811, 314839, 431121, 448413, 536433, 875473, 944517, 1005949, 1251677, 2626419, 3017847, 3755031, 5891987, 6128311, 7331251, 17675961, 18384933, 21993753, 23424241, 41243909, 51318757, 70272723, 123731727, 153956271, 163969687, 491909061, 960393881, 2881181643, 6722757167, 20168271501]

約数ペア:

[(1, 20168271501), (3, 6722757167), (7, 2881181643), (21, 960393881), (41, 491909061), (123, 163969687), (131, 153956271), (163, 123731727), (287, 70272723), (393, 51318757), (489, 41243909), (861, 23424241), (917, 21993753), (1097, 18384933), (1141, 17675961), (2751, 7331251), (3291, 6128311), (3423, 5891987), (5371, 3755031), (6683, 3017847), (7679, 2626419), (16113, 1251677), (20049, 1005949), (21353, 944517), (23037, 875473), (37597, 536433), (44977, 448413), (46781, 431121), (64059, 314839), (112791, 178811), (134931, 149471), (140343, 143707)]