20468087172

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{825193}}^1$

素因数の和:825269

約数の個数: 72

約数和(自身を含む): 56770046424

約数和(自身を除く): 36301959252

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 53, 78, 106, 117, 156, 159, 212, 234, 318, 468, 477, 636, 689, 954, 1378, 1908, 2067, 2756, 4134, 6201, 8268, 12402, 24804, 825193, 1650386, 2475579, 3300772, 4951158, 7426737, 9902316, 10727509, 14853474, 21455018, 29706948, 32182527, 42910036, 43735229, 64365054, 87470458, 96547581, 128730108, 131205687, 174940916, 193095162, 262411374, 386190324, 393617061, 524822748, 568557977, 787234122, 1137115954, 1574468244, 1705673931, 2274231908, 3411347862, 5117021793, 6822695724, 10234043586, 20468087172]

約数ペア:

[(1, 20468087172), (2, 10234043586), (3, 6822695724), (4, 5117021793), (6, 3411347862), (9, 2274231908), (12, 1705673931), (13, 1574468244), (18, 1137115954), (26, 787234122), (36, 568557977), (39, 524822748), (52, 393617061), (53, 386190324), (78, 262411374), (106, 193095162), (117, 174940916), (156, 131205687), (159, 128730108), (212, 96547581), (234, 87470458), (318, 64365054), (468, 43735229), (477, 42910036), (636, 32182527), (689, 29706948), (954, 21455018), (1378, 14853474), (1908, 10727509), (2067, 9902316), (2756, 7426737), (4134, 4951158), (6201, 3300772), (8268, 2475579), (12402, 1650386), (24804, 825193)]