20860476

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2729}}^1$

素因数の和:2763

約数の個数: 72

約数和(自身を含む): 60999120

約数和(自身を除く): 40138644

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 49, 52, 78, 84, 91, 98, 147, 156, 182, 196, 273, 294, 364, 546, 588, 637, 1092, 1274, 1911, 2548, 2729, 3822, 5458, 7644, 8187, 10916, 16374, 19103, 32748, 35477, 38206, 57309, 70954, 76412, 106431, 114618, 133721, 141908, 212862, 229236, 248339, 267442, 401163, 425724, 496678, 534884, 745017, 802326, 993356, 1490034, 1604652, 1738373, 2980068, 3476746, 5215119, 6953492, 10430238, 20860476]

約数ペア:

[(1, 20860476), (2, 10430238), (3, 6953492), (4, 5215119), (6, 3476746), (7, 2980068), (12, 1738373), (13, 1604652), (14, 1490034), (21, 993356), (26, 802326), (28, 745017), (39, 534884), (42, 496678), (49, 425724), (52, 401163), (78, 267442), (84, 248339), (91, 229236), (98, 212862), (147, 141908), (156, 133721), (182, 114618), (196, 106431), (273, 76412), (294, 70954), (364, 57309), (546, 38206), (588, 35477), (637, 32748), (1092, 19103), (1274, 16374), (1911, 10916), (2548, 8187), (2729, 7644), (3822, 5458)]