20118456

素因数分解:

$2^3\times 3^5\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:231

約数の個数: 96

約数和(自身を含む): 57657600

約数和(自身を除く): 37539144

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 79, 81, 108, 131, 158, 162, 216, 237, 243, 262, 316, 324, 393, 474, 486, 524, 632, 648, 711, 786, 948, 972, 1048, 1179, 1422, 1572, 1896, 1944, 2133, 2358, 2844, 3144, 3537, 4266, 4716, 5688, 6399, 7074, 8532, 9432, 10349, 10611, 12798, 14148, 17064, 19197, 20698, 21222, 25596, 28296, 31047, 31833, 38394, 41396, 42444, 51192, 62094, 63666, 76788, 82792, 84888, 93141, 124188, 127332, 153576, 186282, 248376, 254664, 279423, 372564, 558846, 745128, 838269, 1117692, 1676538, 2235384, 2514807, 3353076, 5029614, 6706152, 10059228, 20118456]

約数ペア:

[(1, 20118456), (2, 10059228), (3, 6706152), (4, 5029614), (6, 3353076), (8, 2514807), (9, 2235384), (12, 1676538), (18, 1117692), (24, 838269), (27, 745128), (36, 558846), (54, 372564), (72, 279423), (79, 254664), (81, 248376), (108, 186282), (131, 153576), (158, 127332), (162, 124188), (216, 93141), (237, 84888), (243, 82792), (262, 76788), (316, 63666), (324, 62094), (393, 51192), (474, 42444), (486, 41396), (524, 38394), (632, 31833), (648, 31047), (711, 28296), (786, 25596), (948, 21222), (972, 20698), (1048, 19197), (1179, 17064), (1422, 14148), (1572, 12798), (1896, 10611), (1944, 10349), (2133, 9432), (2358, 8532), (2844, 7074), (3144, 6399), (3537, 5688), (4266, 4716)]