20155177725

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^2\times {\mathrm{73}}^1\times {\mathrm{6959}}^1$

素因数の和:7091

約数の個数: 72

約数和(自身を含む): 35317322880

約数和(自身を除く): 15162145155

約数列:

[1, 3, 5, 15, 23, 25, 69, 73, 75, 115, 219, 345, 365, 529, 575, 1095, 1587, 1679, 1725, 1825, 2645, 5037, 5475, 6959, 7935, 8395, 13225, 20877, 25185, 34795, 38617, 39675, 41975, 104385, 115851, 125925, 160057, 173975, 193085, 480171, 508007, 521925, 579255, 800285, 965425, 1524021, 2400855, 2540035, 2896275, 3681311, 4001425, 7620105, 11043933, 11684161, 12004275, 12700175, 18406555, 35052483, 38100525, 55219665, 58420805, 92032775, 175262415, 268735703, 276098325, 292104025, 806207109, 876312075, 1343678515, 4031035545, 6718392575, 20155177725]

約数ペア:

[(1, 20155177725), (3, 6718392575), (5, 4031035545), (15, 1343678515), (23, 876312075), (25, 806207109), (69, 292104025), (73, 276098325), (75, 268735703), (115, 175262415), (219, 92032775), (345, 58420805), (365, 55219665), (529, 38100525), (575, 35052483), (1095, 18406555), (1587, 12700175), (1679, 12004275), (1725, 11684161), (1825, 11043933), (2645, 7620105), (5037, 4001425), (5475, 3681311), (6959, 2896275), (7935, 2540035), (8395, 2400855), (13225, 1524021), (20877, 965425), (25185, 800285), (34795, 579255), (38617, 521925), (39675, 508007), (41975, 480171), (104385, 193085), (115851, 173975), (125925, 160057)]