20163202587

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{227}}^1\times {\mathrm{761}}^1$

素因数の和:1142

約数の個数: 80

約数和(自身を含む): 33298936704

約数和(自身を除く): 13135734117

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 131, 227, 297, 393, 681, 761, 891, 1179, 1441, 2043, 2283, 2497, 3537, 4323, 6129, 6849, 7491, 8371, 10611, 12969, 18387, 20547, 22473, 25113, 29737, 38907, 61641, 67419, 75339, 89211, 99691, 116721, 172747, 202257, 226017, 267633, 299073, 327107, 518241, 678051, 802899, 897219, 981321, 1096601, 1554723, 1900217, 2408697, 2691657, 2943963, 3289803, 4664169, 5700651, 8074971, 8831889, 9869409, 13992507, 17101953, 22629857, 26495667, 29608227, 51305859, 67889571, 88824681, 153917577, 203668713, 248928427, 611006139, 746785281, 1833018417, 2240355843, 6721067529, 20163202587]

約数ペア:

[(1, 20163202587), (3, 6721067529), (9, 2240355843), (11, 1833018417), (27, 746785281), (33, 611006139), (81, 248928427), (99, 203668713), (131, 153917577), (227, 88824681), (297, 67889571), (393, 51305859), (681, 29608227), (761, 26495667), (891, 22629857), (1179, 17101953), (1441, 13992507), (2043, 9869409), (2283, 8831889), (2497, 8074971), (3537, 5700651), (4323, 4664169), (6129, 3289803), (6849, 2943963), (7491, 2691657), (8371, 2408697), (10611, 1900217), (12969, 1554723), (18387, 1096601), (20547, 981321), (22473, 897219), (25113, 802899), (29737, 678051), (38907, 518241), (61641, 327107), (67419, 299073), (75339, 267633), (89211, 226017), (99691, 202257), (116721, 172747)]