20197802044

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{883}}^1$

素因数の和:1187

約数の個数: 96

約数和(自身を含む): 41809098240

約数和(自身を除く): 21611296196

約数列:

[1, 2, 4, 7, 14, 28, 67, 89, 134, 137, 178, 268, 274, 356, 469, 548, 623, 883, 938, 959, 1246, 1766, 1876, 1918, 2492, 3532, 3836, 5963, 6181, 9179, 11926, 12193, 12362, 18358, 23852, 24386, 24724, 36716, 41741, 48772, 59161, 64253, 78587, 83482, 85351, 118322, 120971, 128506, 157174, 166964, 170702, 236644, 241942, 257012, 314348, 341404, 414127, 483884, 550109, 816931, 828254, 846797, 1100218, 1633862, 1656508, 1693594, 2200436, 3267724, 3387188, 5265329, 5718517, 8105057, 10530658, 10766419, 11437034, 16210114, 21061316, 21532838, 22874068, 32420228, 36857303, 43065676, 56735399, 73714606, 75364933, 113470798, 147429212, 150729866, 226941596, 301459732, 721350073, 1442700146, 2885400292, 5049450511, 10098901022, 20197802044]

約数ペア:

[(1, 20197802044), (2, 10098901022), (4, 5049450511), (7, 2885400292), (14, 1442700146), (28, 721350073), (67, 301459732), (89, 226941596), (134, 150729866), (137, 147429212), (178, 113470798), (268, 75364933), (274, 73714606), (356, 56735399), (469, 43065676), (548, 36857303), (623, 32420228), (883, 22874068), (938, 21532838), (959, 21061316), (1246, 16210114), (1766, 11437034), (1876, 10766419), (1918, 10530658), (2492, 8105057), (3532, 5718517), (3836, 5265329), (5963, 3387188), (6181, 3267724), (9179, 2200436), (11926, 1693594), (12193, 1656508), (12362, 1633862), (18358, 1100218), (23852, 846797), (24386, 828254), (24724, 816931), (36716, 550109), (41741, 483884), (48772, 414127), (59161, 341404), (64253, 314348), (78587, 257012), (83482, 241942), (85351, 236644), (118322, 170702), (120971, 166964), (128506, 157174)]