20180298236

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{263}}^1\times {\mathrm{751}}^1$

素因数の和:1155

約数の個数: 96

約数和(自身を含む): 42024407040

約数和(自身を除く): 21844108804

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 89, 164, 178, 263, 287, 356, 526, 574, 623, 751, 1052, 1148, 1246, 1502, 1841, 2492, 3004, 3649, 3682, 5257, 7298, 7364, 10514, 10783, 14596, 21028, 21566, 23407, 25543, 30791, 43132, 46814, 51086, 61582, 66839, 75481, 93628, 102172, 123164, 133678, 150962, 163849, 197513, 215537, 267356, 301924, 327698, 395026, 431074, 467873, 655396, 790052, 862148, 935746, 959687, 1382591, 1871492, 1919374, 2740399, 2765182, 3838748, 5480798, 5530364, 6717809, 8098033, 10961596, 13435618, 16196066, 17578657, 19182793, 26871236, 32392132, 35157314, 38365586, 56686231, 70314628, 76731172, 113372462, 123050599, 226744924, 246101198, 492202396, 720724937, 1441449874, 2882899748, 5045074559, 10090149118, 20180298236]

約数ペア:

[(1, 20180298236), (2, 10090149118), (4, 5045074559), (7, 2882899748), (14, 1441449874), (28, 720724937), (41, 492202396), (82, 246101198), (89, 226744924), (164, 123050599), (178, 113372462), (263, 76731172), (287, 70314628), (356, 56686231), (526, 38365586), (574, 35157314), (623, 32392132), (751, 26871236), (1052, 19182793), (1148, 17578657), (1246, 16196066), (1502, 13435618), (1841, 10961596), (2492, 8098033), (3004, 6717809), (3649, 5530364), (3682, 5480798), (5257, 3838748), (7298, 2765182), (7364, 2740399), (10514, 1919374), (10783, 1871492), (14596, 1382591), (21028, 959687), (21566, 935746), (23407, 862148), (25543, 790052), (30791, 655396), (43132, 467873), (46814, 431074), (51086, 395026), (61582, 327698), (66839, 301924), (75481, 267356), (93628, 215537), (102172, 197513), (123164, 163849), (133678, 150962)]