20142180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{317}}^1\times {\mathrm{353}}^1$

素因数の和:685

約数の個数: 72

約数和(自身を含む): 61464312

約数和(自身を除く): 41322132

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 317, 353, 634, 706, 951, 1059, 1268, 1412, 1585, 1765, 1902, 2118, 2853, 3170, 3177, 3530, 3804, 4236, 4755, 5295, 5706, 6340, 6354, 7060, 9510, 10590, 11412, 12708, 14265, 15885, 19020, 21180, 28530, 31770, 57060, 63540, 111901, 223802, 335703, 447604, 559505, 671406, 1007109, 1119010, 1342812, 1678515, 2014218, 2238020, 3357030, 4028436, 5035545, 6714060, 10071090, 20142180]

約数ペア:

[(1, 20142180), (2, 10071090), (3, 6714060), (4, 5035545), (5, 4028436), (6, 3357030), (9, 2238020), (10, 2014218), (12, 1678515), (15, 1342812), (18, 1119010), (20, 1007109), (30, 671406), (36, 559505), (45, 447604), (60, 335703), (90, 223802), (180, 111901), (317, 63540), (353, 57060), (634, 31770), (706, 28530), (951, 21180), (1059, 19020), (1268, 15885), (1412, 14265), (1585, 12708), (1765, 11412), (1902, 10590), (2118, 9510), (2853, 7060), (3170, 6354), (3177, 6340), (3530, 5706), (3804, 5295), (4236, 4755)]