20161119980

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{373}}^1\times {\mathrm{32561}}^1$

素因数の和:33026

約数の個数: 48

約数和(自身を含む): 42964647264

約数和(自身を除く): 22803527284

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 373, 415, 746, 830, 1492, 1660, 1865, 3730, 7460, 30959, 32561, 61918, 65122, 123836, 130244, 154795, 162805, 309590, 325610, 619180, 651220, 2702563, 5405126, 10810252, 12145253, 13512815, 24290506, 27025630, 48581012, 54051260, 60726265, 121452530, 242905060, 1008055999, 2016111998, 4032223996, 5040279995, 10080559990, 20161119980]

約数ペア:

[(1, 20161119980), (2, 10080559990), (4, 5040279995), (5, 4032223996), (10, 2016111998), (20, 1008055999), (83, 242905060), (166, 121452530), (332, 60726265), (373, 54051260), (415, 48581012), (746, 27025630), (830, 24290506), (1492, 13512815), (1660, 12145253), (1865, 10810252), (3730, 5405126), (7460, 2702563), (30959, 651220), (32561, 619180), (61918, 325610), (65122, 309590), (123836, 162805), (130244, 154795)]