20126988

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{337}}^1$

素因数の和:436

約数の個数: 96

約数和(自身を含む): 60569600

約数和(自身を除く): 40442612

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 79, 84, 108, 126, 158, 189, 237, 252, 316, 337, 378, 474, 553, 674, 711, 756, 948, 1011, 1106, 1348, 1422, 1659, 2022, 2133, 2212, 2359, 2844, 3033, 3318, 4044, 4266, 4718, 4977, 6066, 6636, 7077, 8532, 9099, 9436, 9954, 12132, 14154, 14931, 18198, 19908, 21231, 26623, 28308, 29862, 36396, 42462, 53246, 59724, 63693, 79869, 84924, 106492, 127386, 159738, 186361, 239607, 254772, 319476, 372722, 479214, 559083, 718821, 745444, 958428, 1118166, 1437642, 1677249, 2236332, 2875284, 3354498, 5031747, 6708996, 10063494, 20126988]

約数ペア:

[(1, 20126988), (2, 10063494), (3, 6708996), (4, 5031747), (6, 3354498), (7, 2875284), (9, 2236332), (12, 1677249), (14, 1437642), (18, 1118166), (21, 958428), (27, 745444), (28, 718821), (36, 559083), (42, 479214), (54, 372722), (63, 319476), (79, 254772), (84, 239607), (108, 186361), (126, 159738), (158, 127386), (189, 106492), (237, 84924), (252, 79869), (316, 63693), (337, 59724), (378, 53246), (474, 42462), (553, 36396), (674, 29862), (711, 28308), (756, 26623), (948, 21231), (1011, 19908), (1106, 18198), (1348, 14931), (1422, 14154), (1659, 12132), (2022, 9954), (2133, 9436), (2212, 9099), (2359, 8532), (2844, 7077), (3033, 6636), (3318, 6066), (4044, 4977), (4266, 4718)]