20149282516

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{149}}^1\times {\mathrm{271}}^1\times {\mathrm{1031}}^1$

素因数の和:1477

約数の個数: 72

約数和(自身を含む): 39200313600

約数和(自身を除く): 19051031084

約数列:

[1, 2, 4, 11, 22, 44, 121, 149, 242, 271, 298, 484, 542, 596, 1031, 1084, 1639, 2062, 2981, 3278, 4124, 5962, 6556, 11341, 11924, 18029, 22682, 32791, 36058, 40379, 45364, 65582, 72116, 80758, 124751, 131164, 153619, 161516, 249502, 279401, 307238, 444169, 499004, 558802, 614476, 888338, 1117604, 1689809, 1776676, 3073411, 3379618, 4885859, 6146822, 6759236, 9771718, 12293644, 18587899, 19543436, 33807521, 37175798, 41630749, 67615042, 74351596, 83261498, 135230084, 166522996, 457938239, 915876478, 1831752956, 5037320629, 10074641258, 20149282516]

約数ペア:

[(1, 20149282516), (2, 10074641258), (4, 5037320629), (11, 1831752956), (22, 915876478), (44, 457938239), (121, 166522996), (149, 135230084), (242, 83261498), (271, 74351596), (298, 67615042), (484, 41630749), (542, 37175798), (596, 33807521), (1031, 19543436), (1084, 18587899), (1639, 12293644), (2062, 9771718), (2981, 6759236), (3278, 6146822), (4124, 4885859), (5962, 3379618), (6556, 3073411), (11341, 1776676), (11924, 1689809), (18029, 1117604), (22682, 888338), (32791, 614476), (36058, 558802), (40379, 499004), (45364, 444169), (65582, 307238), (72116, 279401), (80758, 249502), (124751, 161516), (131164, 153619)]