20130894520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1483}}^1\times {\mathrm{30851}}^1$

素因数の和:32356

約数の個数: 64

約数和(自身を含む): 49447117440

約数和(自身を除く): 29316222920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 1483, 2966, 5932, 7415, 11864, 14830, 16313, 29660, 30851, 32626, 59320, 61702, 65252, 81565, 123404, 130504, 154255, 163130, 246808, 308510, 326260, 339361, 617020, 652520, 678722, 1234040, 1357444, 1696805, 2714888, 3393610, 6787220, 13574440, 45752033, 91504066, 183008132, 228760165, 366016264, 457520330, 503272363, 915040660, 1006544726, 1830081320, 2013089452, 2516361815, 4026178904, 5032723630, 10065447260, 20130894520]

約数ペア:

[(1, 20130894520), (2, 10065447260), (4, 5032723630), (5, 4026178904), (8, 2516361815), (10, 2013089452), (11, 1830081320), (20, 1006544726), (22, 915040660), (40, 503272363), (44, 457520330), (55, 366016264), (88, 228760165), (110, 183008132), (220, 91504066), (440, 45752033), (1483, 13574440), (2966, 6787220), (5932, 3393610), (7415, 2714888), (11864, 1696805), (14830, 1357444), (16313, 1234040), (29660, 678722), (30851, 652520), (32626, 617020), (59320, 339361), (61702, 326260), (65252, 308510), (81565, 246808), (123404, 163130), (130504, 154255)]