20864632542

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{234851}}^1$

素因数の和:234953

約数の個数: 64

約数和(自身を含む): 48293086464

約数和(自身を除く): 27428453922

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 67, 78, 102, 134, 201, 221, 402, 442, 663, 871, 1139, 1326, 1742, 2278, 2613, 3417, 5226, 6834, 14807, 29614, 44421, 88842, 234851, 469702, 704553, 1409106, 3053063, 3992467, 6106126, 7984934, 9159189, 11977401, 15735017, 18318378, 23954802, 31470034, 47205051, 51902071, 94410102, 103804142, 155706213, 204555221, 267495289, 311412426, 409110442, 534990578, 613665663, 802485867, 1227331326, 1604971734, 3477438757, 6954877514, 10432316271, 20864632542]

約数ペア:

[(1, 20864632542), (2, 10432316271), (3, 6954877514), (6, 3477438757), (13, 1604971734), (17, 1227331326), (26, 802485867), (34, 613665663), (39, 534990578), (51, 409110442), (67, 311412426), (78, 267495289), (102, 204555221), (134, 155706213), (201, 103804142), (221, 94410102), (402, 51902071), (442, 47205051), (663, 31470034), (871, 23954802), (1139, 18318378), (1326, 15735017), (1742, 11977401), (2278, 9159189), (2613, 7984934), (3417, 6106126), (5226, 3992467), (6834, 3053063), (14807, 1409106), (29614, 704553), (44421, 469702), (88842, 234851)]