20329122988

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{239}}^1\times {\mathrm{30509}}^1$

素因数の和:30810

約数の個数: 48

約数和(自身を含む): 38750140800

約数和(自身を除く): 18421017812

約数列:

[1, 2, 4, 17, 34, 41, 68, 82, 164, 239, 478, 697, 956, 1394, 2788, 4063, 8126, 9799, 16252, 19598, 30509, 39196, 61018, 122036, 166583, 333166, 518653, 666332, 1037306, 1250869, 2074612, 2501738, 5003476, 7291651, 14583302, 21264773, 29166604, 42529546, 85059092, 123958067, 247916134, 298957691, 495832268, 597915382, 1195830764, 5082280747, 10164561494, 20329122988]

約数ペア:

[(1, 20329122988), (2, 10164561494), (4, 5082280747), (17, 1195830764), (34, 597915382), (41, 495832268), (68, 298957691), (82, 247916134), (164, 123958067), (239, 85059092), (478, 42529546), (697, 29166604), (956, 21264773), (1394, 14583302), (2788, 7291651), (4063, 5003476), (8126, 2501738), (9799, 2074612), (16252, 1250869), (19598, 1037306), (30509, 666332), (39196, 518653), (61018, 333166), (122036, 166583)]