20186779288

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{138349}}^1$

素因数の和:138452

約数の個数: 64

約数和(自身を含む): 43231608000

約数和(自身を除く): 23044828712

約数列:

[1, 2, 4, 8, 13, 23, 26, 46, 52, 61, 92, 104, 122, 184, 244, 299, 488, 598, 793, 1196, 1403, 1586, 2392, 2806, 3172, 5612, 6344, 11224, 18239, 36478, 72956, 138349, 145912, 276698, 553396, 1106792, 1798537, 3182027, 3597074, 6364054, 7194148, 8439289, 12728108, 14388296, 16878578, 25456216, 33757156, 41366351, 67514312, 82732702, 109710757, 165465404, 194103647, 219421514, 330930808, 388207294, 438843028, 776414588, 877686056, 1552829176, 2523347411, 5046694822, 10093389644, 20186779288]

約数ペア:

[(1, 20186779288), (2, 10093389644), (4, 5046694822), (8, 2523347411), (13, 1552829176), (23, 877686056), (26, 776414588), (46, 438843028), (52, 388207294), (61, 330930808), (92, 219421514), (104, 194103647), (122, 165465404), (184, 109710757), (244, 82732702), (299, 67514312), (488, 41366351), (598, 33757156), (793, 25456216), (1196, 16878578), (1403, 14388296), (1586, 12728108), (2392, 8439289), (2806, 7194148), (3172, 6364054), (5612, 3597074), (6344, 3182027), (11224, 1798537), (18239, 1106792), (36478, 553396), (72956, 276698), (138349, 145912)]