20236844140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{223}}^1\times {\mathrm{12569}}^1$

素因数の和:12839

約数の個数: 72

約数和(自身を含む): 45056511360

約数和(自身を除く): 24819667220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 223, 361, 380, 446, 722, 892, 1115, 1444, 1805, 2230, 3610, 4237, 4460, 7220, 8474, 12569, 16948, 21185, 25138, 42370, 50276, 62845, 80503, 84740, 125690, 161006, 238811, 251380, 322012, 402515, 477622, 805030, 955244, 1194055, 1610060, 2388110, 2802887, 4537409, 4776220, 5605774, 9074818, 11211548, 14014435, 18149636, 22687045, 28028870, 45374090, 53254853, 56057740, 90748180, 106509706, 213019412, 266274265, 532548530, 1011842207, 1065097060, 2023684414, 4047368828, 5059211035, 10118422070, 20236844140]

約数ペア:

[(1, 20236844140), (2, 10118422070), (4, 5059211035), (5, 4047368828), (10, 2023684414), (19, 1065097060), (20, 1011842207), (38, 532548530), (76, 266274265), (95, 213019412), (190, 106509706), (223, 90748180), (361, 56057740), (380, 53254853), (446, 45374090), (722, 28028870), (892, 22687045), (1115, 18149636), (1444, 14014435), (1805, 11211548), (2230, 9074818), (3610, 5605774), (4237, 4776220), (4460, 4537409), (7220, 2802887), (8474, 2388110), (12569, 1610060), (16948, 1194055), (21185, 955244), (25138, 805030), (42370, 477622), (50276, 402515), (62845, 322012), (80503, 251380), (84740, 238811), (125690, 161006)]