2013199220

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^2\times {\mathrm{233}}^1\times {\mathrm{257}}^1$

素因数の和:581

約数の個数: 72

約数和(自身を含む): 4368880152

約数和(自身を除く): 2355680932

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 233, 257, 410, 466, 514, 820, 932, 1028, 1165, 1285, 1681, 2330, 2570, 3362, 4660, 5140, 6724, 8405, 9553, 10537, 16810, 19106, 21074, 33620, 38212, 42148, 47765, 52685, 59881, 95530, 105370, 119762, 191060, 210740, 239524, 299405, 391673, 432017, 598810, 783346, 864034, 1197620, 1566692, 1728068, 1958365, 2160085, 2455121, 3916730, 4320170, 4910242, 7833460, 8640340, 9820484, 12275605, 24551210, 49102420, 100659961, 201319922, 402639844, 503299805, 1006599610, 2013199220]

約数ペア:

[(1, 2013199220), (2, 1006599610), (4, 503299805), (5, 402639844), (10, 201319922), (20, 100659961), (41, 49102420), (82, 24551210), (164, 12275605), (205, 9820484), (233, 8640340), (257, 7833460), (410, 4910242), (466, 4320170), (514, 3916730), (820, 2455121), (932, 2160085), (1028, 1958365), (1165, 1728068), (1285, 1566692), (1681, 1197620), (2330, 864034), (2570, 783346), (3362, 598810), (4660, 432017), (5140, 391673), (6724, 299405), (8405, 239524), (9553, 210740), (10537, 191060), (16810, 119762), (19106, 105370), (21074, 95530), (33620, 59881), (38212, 52685), (42148, 47765)]