20098262020

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{373}}^1\times {\mathrm{509}}^1$

素因数の和:1037

約数の個数: 96

約数和(自身を含む): 43580275200

約数和(自身を除く): 23482013180

約数列:

[1, 2, 4, 5, 10, 20, 67, 79, 134, 158, 268, 316, 335, 373, 395, 509, 670, 746, 790, 1018, 1340, 1492, 1580, 1865, 2036, 2545, 3730, 5090, 5293, 7460, 10180, 10586, 21172, 24991, 26465, 29467, 34103, 40211, 49982, 52930, 58934, 68206, 80422, 99964, 105860, 117868, 124955, 136412, 147335, 160844, 170515, 189857, 201055, 249910, 294670, 341030, 379714, 402110, 499820, 589340, 682060, 759428, 804220, 949285, 1898570, 1974289, 2694137, 3797140, 3948578, 5388274, 7897156, 9871445, 10776548, 12720419, 13470685, 14998703, 19742890, 25440838, 26941370, 29997406, 39485780, 50881676, 53882740, 59994812, 63602095, 74993515, 127204190, 149987030, 254408380, 299974060, 1004913101, 2009826202, 4019652404, 5024565505, 10049131010, 20098262020]

約数ペア:

[(1, 20098262020), (2, 10049131010), (4, 5024565505), (5, 4019652404), (10, 2009826202), (20, 1004913101), (67, 299974060), (79, 254408380), (134, 149987030), (158, 127204190), (268, 74993515), (316, 63602095), (335, 59994812), (373, 53882740), (395, 50881676), (509, 39485780), (670, 29997406), (746, 26941370), (790, 25440838), (1018, 19742890), (1340, 14998703), (1492, 13470685), (1580, 12720419), (1865, 10776548), (2036, 9871445), (2545, 7897156), (3730, 5388274), (5090, 3948578), (5293, 3797140), (7460, 2694137), (10180, 1974289), (10586, 1898570), (21172, 949285), (24991, 804220), (26465, 759428), (29467, 682060), (34103, 589340), (40211, 499820), (49982, 402110), (52930, 379714), (58934, 341030), (68206, 294670), (80422, 249910), (99964, 201055), (105860, 189857), (117868, 170515), (124955, 160844), (136412, 147335)]