20075210

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:195

約数の個数: 48

約数和(自身を含む): 39172896

約数和(自身を除く): 19097686

約数列:

[1, 2, 5, 10, 19, 38, 67, 83, 95, 134, 166, 190, 335, 361, 415, 670, 722, 830, 1273, 1577, 1805, 2546, 3154, 3610, 5561, 6365, 7885, 11122, 12730, 15770, 24187, 27805, 29963, 48374, 55610, 59926, 105659, 120935, 149815, 211318, 241870, 299630, 528295, 1056590, 2007521, 4015042, 10037605, 20075210]

約数ペア:

[(1, 20075210), (2, 10037605), (5, 4015042), (10, 2007521), (19, 1056590), (38, 528295), (67, 299630), (83, 241870), (95, 211318), (134, 149815), (166, 120935), (190, 105659), (335, 59926), (361, 55610), (415, 48374), (670, 29963), (722, 27805), (830, 24187), (1273, 15770), (1577, 12730), (1805, 11122), (2546, 7885), (3154, 6365), (3610, 5561)]