20722884

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2711}}^1$

素因数の和:2745

約数の個数: 72

約数和(自身を含む): 60596928

約数和(自身を除く): 39874044

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, 2711, 3822, 5422, 7644, 8133, 10844, 16266, 18977, 32532, 35243, 37954, 56931, 70486, 75908, 105729, 113862, 132839, 140972, 211458, 227724, 246701, 265678, 398517, 422916, 493402, 531356, 740103, 797034, 986804, 1480206, 1594068, 1726907, 2960412, 3453814, 5180721, 6907628, 10361442, 20722884]

約数ペア:

[(1, 20722884), (2, 10361442), (3, 6907628), (4, 5180721), (6, 3453814), (7, 2960412), (12, 1726907), (13, 1594068), (14, 1480206), (21, 986804), (26, 797034), (28, 740103), (39, 531356), (42, 493402), (49, 422916), (52, 398517), (78, 265678), (84, 246701), (91, 227724), (98, 211458), (147, 140972), (156, 132839), (182, 113862), (196, 105729), (273, 75908), (294, 70486), (364, 56931), (546, 37954), (588, 35243), (637, 32532), (1092, 18977), (1274, 16266), (1911, 10844), (2548, 8133), (2711, 7644), (3822, 5422)]