20185907938

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1\times {\mathrm{2731}}^1$

素因数の和:3023

約数の個数: 64

約数和(自身を含む): 36130590720

約数和(自身を除く): 15944682782

約数列:

[1, 2, 7, 14, 41, 79, 82, 158, 163, 287, 326, 553, 574, 1106, 1141, 2282, 2731, 3239, 5462, 6478, 6683, 12877, 13366, 19117, 22673, 25754, 38234, 45346, 46781, 90139, 93562, 111971, 180278, 215749, 223942, 431498, 445153, 527957, 783797, 890306, 1055914, 1510243, 1567594, 3020486, 3116071, 3695699, 6232142, 7391398, 8845709, 17691418, 18251273, 35167087, 36502546, 61919963, 70334174, 123839926, 127758911, 246169609, 255517822, 492339218, 1441850567, 2883701134, 10092953969, 20185907938]

約数ペア:

[(1, 20185907938), (2, 10092953969), (7, 2883701134), (14, 1441850567), (41, 492339218), (79, 255517822), (82, 246169609), (158, 127758911), (163, 123839926), (287, 70334174), (326, 61919963), (553, 36502546), (574, 35167087), (1106, 18251273), (1141, 17691418), (2282, 8845709), (2731, 7391398), (3239, 6232142), (5462, 3695699), (6478, 3116071), (6683, 3020486), (12877, 1567594), (13366, 1510243), (19117, 1055914), (22673, 890306), (25754, 783797), (38234, 527957), (45346, 445153), (46781, 431498), (90139, 223942), (93562, 215749), (111971, 180278)]