20984922

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{5743}}^1$

素因数の和:5787

約数の個数: 48

約数和(自身を含む): 53763840

約数和(自身を除く): 32778918

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 29, 42, 58, 63, 87, 126, 174, 203, 261, 406, 522, 609, 1218, 1827, 3654, 5743, 11486, 17229, 34458, 40201, 51687, 80402, 103374, 120603, 166547, 241206, 333094, 361809, 499641, 723618, 999282, 1165829, 1498923, 2331658, 2997846, 3497487, 6994974, 10492461, 20984922]

約数ペア:

[(1, 20984922), (2, 10492461), (3, 6994974), (6, 3497487), (7, 2997846), (9, 2331658), (14, 1498923), (18, 1165829), (21, 999282), (29, 723618), (42, 499641), (58, 361809), (63, 333094), (87, 241206), (126, 166547), (174, 120603), (203, 103374), (261, 80402), (406, 51687), (522, 40201), (609, 34458), (1218, 17229), (1827, 11486), (3654, 5743)]