20310342

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^3\times {\mathrm{53}}^1$

素因数の和:122

約数の個数: 64

約数和(自身を含む): 47355840

約数和(自身を除く): 27045498

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 53, 78, 102, 106, 159, 221, 289, 318, 442, 578, 663, 689, 867, 901, 1326, 1378, 1734, 1802, 2067, 2703, 3757, 4134, 4913, 5406, 7514, 9826, 11271, 11713, 14739, 15317, 22542, 23426, 29478, 30634, 35139, 45951, 63869, 70278, 91902, 127738, 191607, 199121, 260389, 383214, 398242, 520778, 597363, 781167, 1194726, 1562334, 3385057, 6770114, 10155171, 20310342]

約数ペア:

[(1, 20310342), (2, 10155171), (3, 6770114), (6, 3385057), (13, 1562334), (17, 1194726), (26, 781167), (34, 597363), (39, 520778), (51, 398242), (53, 383214), (78, 260389), (102, 199121), (106, 191607), (159, 127738), (221, 91902), (289, 70278), (318, 63869), (442, 45951), (578, 35139), (663, 30634), (689, 29478), (867, 23426), (901, 22542), (1326, 15317), (1378, 14739), (1734, 11713), (1802, 11271), (2067, 9826), (2703, 7514), (3757, 5406), (4134, 4913)]