20165220

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{349}}^1$

素因数の和:474

約数の個数: 96

約数和(自身を含む): 63504000

約数和(自身を除く): 43338780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 107, 108, 135, 180, 214, 270, 321, 349, 428, 535, 540, 642, 698, 963, 1047, 1070, 1284, 1396, 1605, 1745, 1926, 2094, 2140, 2889, 3141, 3210, 3490, 3852, 4188, 4815, 5235, 5778, 6282, 6420, 6980, 9423, 9630, 10470, 11556, 12564, 14445, 15705, 18846, 19260, 20940, 28890, 31410, 37343, 37692, 47115, 57780, 62820, 74686, 94230, 112029, 149372, 186715, 188460, 224058, 336087, 373430, 448116, 560145, 672174, 746860, 1008261, 1120290, 1344348, 1680435, 2016522, 2240580, 3360870, 4033044, 5041305, 6721740, 10082610, 20165220]

約数ペア:

[(1, 20165220), (2, 10082610), (3, 6721740), (4, 5041305), (5, 4033044), (6, 3360870), (9, 2240580), (10, 2016522), (12, 1680435), (15, 1344348), (18, 1120290), (20, 1008261), (27, 746860), (30, 672174), (36, 560145), (45, 448116), (54, 373430), (60, 336087), (90, 224058), (107, 188460), (108, 186715), (135, 149372), (180, 112029), (214, 94230), (270, 74686), (321, 62820), (349, 57780), (428, 47115), (535, 37692), (540, 37343), (642, 31410), (698, 28890), (963, 20940), (1047, 19260), (1070, 18846), (1284, 15705), (1396, 14445), (1605, 12564), (1745, 11556), (1926, 10470), (2094, 9630), (2140, 9423), (2889, 6980), (3141, 6420), (3210, 6282), (3490, 5778), (3852, 5235), (4188, 4815)]