20165718303

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{53}}^2\times {\mathrm{79}}^1\times {\mathrm{439}}^1$

素因数の和:653

約数の個数: 72

約数和(自身を含む): 31442611200

約数和(自身を除く): 11276892897

約数列:

[1, 3, 9, 23, 53, 69, 79, 159, 207, 237, 439, 477, 711, 1219, 1317, 1817, 2809, 3657, 3951, 4187, 5451, 8427, 10097, 10971, 12561, 16353, 23267, 25281, 30291, 34681, 37683, 64607, 69801, 90873, 96301, 104043, 193821, 209403, 221911, 288903, 312129, 535141, 581463, 665733, 797663, 866709, 1233151, 1605423, 1838093, 1997199, 2392989, 3699453, 4816269, 5103953, 5514279, 7178967, 11098359, 15311859, 16542837, 28362473, 42276139, 45935577, 85087419, 97418929, 126828417, 255262257, 292256787, 380485251, 876770361, 2240635367, 6721906101, 20165718303]

約数ペア:

[(1, 20165718303), (3, 6721906101), (9, 2240635367), (23, 876770361), (53, 380485251), (69, 292256787), (79, 255262257), (159, 126828417), (207, 97418929), (237, 85087419), (439, 45935577), (477, 42276139), (711, 28362473), (1219, 16542837), (1317, 15311859), (1817, 11098359), (2809, 7178967), (3657, 5514279), (3951, 5103953), (4187, 4816269), (5451, 3699453), (8427, 2392989), (10097, 1997199), (10971, 1838093), (12561, 1605423), (16353, 1233151), (23267, 866709), (25281, 797663), (30291, 665733), (34681, 581463), (37683, 535141), (64607, 312129), (69801, 288903), (90873, 221911), (96301, 209403), (104043, 193821)]