20347688844

素因数分解:

$2^2\times 3^2\times 7^3\times {\mathrm{1647853}}^1$

素因数の和:1647884

約数の個数: 72

約数和(自身を含む): 59981885600

約数和(自身を除く): 39634196756

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 343, 441, 588, 686, 882, 1029, 1372, 1764, 2058, 3087, 4116, 6174, 12348, 1647853, 3295706, 4943559, 6591412, 9887118, 11534971, 14830677, 19774236, 23069942, 29661354, 34604913, 46139884, 59322708, 69209826, 80744797, 103814739, 138419652, 161489594, 207629478, 242234391, 322979188, 415258956, 484468782, 565213579, 726703173, 968937564, 1130427158, 1453406346, 1695640737, 2260854316, 2906812692, 3391281474, 5086922211, 6782562948, 10173844422, 20347688844]

約数ペア:

[(1, 20347688844), (2, 10173844422), (3, 6782562948), (4, 5086922211), (6, 3391281474), (7, 2906812692), (9, 2260854316), (12, 1695640737), (14, 1453406346), (18, 1130427158), (21, 968937564), (28, 726703173), (36, 565213579), (42, 484468782), (49, 415258956), (63, 322979188), (84, 242234391), (98, 207629478), (126, 161489594), (147, 138419652), (196, 103814739), (252, 80744797), (294, 69209826), (343, 59322708), (441, 46139884), (588, 34604913), (686, 29661354), (882, 23069942), (1029, 19774236), (1372, 14830677), (1764, 11534971), (2058, 9887118), (3087, 6591412), (4116, 4943559), (6174, 3295706), (12348, 1647853)]