20124719685

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{359}}^1\times {\mathrm{25423}}^1$

素因数の和:25807

約数の個数: 72

約数和(自身を含む): 40692637440

約数和(自身を除く): 20567917755

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 359, 441, 735, 1077, 1795, 2205, 2513, 3231, 5385, 7539, 12565, 16155, 17591, 22617, 25423, 37695, 52773, 76269, 87955, 113085, 127115, 158319, 177961, 228807, 263865, 381345, 533883, 791595, 889805, 1144035, 1245727, 1601649, 2669415, 3737181, 6228635, 8008245, 9126857, 11211543, 18685905, 27380571, 45634285, 56057715, 63887999, 82141713, 136902855, 191663997, 319439995, 410708565, 447215993, 574991991, 958319985, 1341647979, 2236079965, 2874959955, 4024943937, 6708239895, 20124719685]

約数ペア:

[(1, 20124719685), (3, 6708239895), (5, 4024943937), (7, 2874959955), (9, 2236079965), (15, 1341647979), (21, 958319985), (35, 574991991), (45, 447215993), (49, 410708565), (63, 319439995), (105, 191663997), (147, 136902855), (245, 82141713), (315, 63887999), (359, 56057715), (441, 45634285), (735, 27380571), (1077, 18685905), (1795, 11211543), (2205, 9126857), (2513, 8008245), (3231, 6228635), (5385, 3737181), (7539, 2669415), (12565, 1601649), (16155, 1245727), (17591, 1144035), (22617, 889805), (25423, 791595), (37695, 533883), (52773, 381345), (76269, 263865), (87955, 228807), (113085, 177961), (127115, 158319)]