20139474908

素因数分解:

$2^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{42689}}^1$

素因数の和:42819

約数の個数: 72

約数和(自身を含む): 42923941200

約数和(自身を除く): 22784466292

約数列:

[1, 2, 4, 7, 14, 28, 29, 49, 58, 83, 98, 116, 166, 196, 203, 332, 406, 581, 812, 1162, 1421, 2324, 2407, 2842, 4067, 4814, 5684, 8134, 9628, 16268, 16849, 33698, 42689, 67396, 85378, 117943, 170756, 235886, 298823, 471772, 597646, 1195292, 1237981, 2091761, 2475962, 3543187, 4183522, 4951924, 7086374, 8367044, 8665867, 14172748, 17331734, 24802309, 34663468, 49604618, 60661069, 99209236, 102752423, 121322138, 173616163, 205504846, 242644276, 347232326, 411009692, 694464652, 719266961, 1438533922, 2877067844, 5034868727, 10069737454, 20139474908]

約数ペア:

[(1, 20139474908), (2, 10069737454), (4, 5034868727), (7, 2877067844), (14, 1438533922), (28, 719266961), (29, 694464652), (49, 411009692), (58, 347232326), (83, 242644276), (98, 205504846), (116, 173616163), (166, 121322138), (196, 102752423), (203, 99209236), (332, 60661069), (406, 49604618), (581, 34663468), (812, 24802309), (1162, 17331734), (1421, 14172748), (2324, 8665867), (2407, 8367044), (2842, 7086374), (4067, 4951924), (4814, 4183522), (5684, 3543187), (8134, 2475962), (9628, 2091761), (16268, 1237981), (16849, 1195292), (33698, 597646), (42689, 471772), (67396, 298823), (85378, 235886), (117943, 170756)]