20764698625

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{11863}}^1$

素因数の和:11975

約数の個数: 64

約数和(自身を含む): 30204794880

約数和(自身を除く): 9440096255

約数列:

[1, 5, 11, 19, 25, 55, 67, 95, 125, 209, 275, 335, 475, 737, 1045, 1273, 1375, 1675, 2375, 3685, 5225, 6365, 8375, 11863, 14003, 18425, 26125, 31825, 59315, 70015, 92125, 130493, 159125, 225397, 296575, 350075, 652465, 794821, 1126985, 1482875, 1750375, 2479367, 3262325, 3974105, 5634925, 8743031, 12396835, 15101599, 16311625, 19870525, 28174625, 43715155, 61984175, 75507995, 99352625, 166117589, 218575775, 309920875, 377539975, 830587945, 1092878875, 1887699875, 4152939725, 20764698625]

約数ペア:

[(1, 20764698625), (5, 4152939725), (11, 1887699875), (19, 1092878875), (25, 830587945), (55, 377539975), (67, 309920875), (95, 218575775), (125, 166117589), (209, 99352625), (275, 75507995), (335, 61984175), (475, 43715155), (737, 28174625), (1045, 19870525), (1273, 16311625), (1375, 15101599), (1675, 12396835), (2375, 8743031), (3685, 5634925), (5225, 3974105), (6365, 3262325), (8375, 2479367), (11863, 1750375), (14003, 1482875), (18425, 1126985), (26125, 794821), (31825, 652465), (59315, 350075), (70015, 296575), (92125, 225397), (130493, 159125)]