20770500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{61}}^1\times {\mathrm{227}}^1$

素因数の和:310

約数の個数: 96

約数和(自身を含む): 61746048

約数和(自身を除く): 40975548

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 61, 75, 100, 122, 125, 150, 183, 227, 244, 250, 300, 305, 366, 375, 454, 500, 610, 681, 732, 750, 908, 915, 1135, 1220, 1362, 1500, 1525, 1830, 2270, 2724, 3050, 3405, 3660, 4540, 4575, 5675, 6100, 6810, 7625, 9150, 11350, 13620, 13847, 15250, 17025, 18300, 22700, 22875, 27694, 28375, 30500, 34050, 41541, 45750, 55388, 56750, 68100, 69235, 83082, 85125, 91500, 113500, 138470, 166164, 170250, 207705, 276940, 340500, 346175, 415410, 692350, 830820, 1038525, 1384700, 1730875, 2077050, 3461750, 4154100, 5192625, 6923500, 10385250, 20770500]

約数ペア:

[(1, 20770500), (2, 10385250), (3, 6923500), (4, 5192625), (5, 4154100), (6, 3461750), (10, 2077050), (12, 1730875), (15, 1384700), (20, 1038525), (25, 830820), (30, 692350), (50, 415410), (60, 346175), (61, 340500), (75, 276940), (100, 207705), (122, 170250), (125, 166164), (150, 138470), (183, 113500), (227, 91500), (244, 85125), (250, 83082), (300, 69235), (305, 68100), (366, 56750), (375, 55388), (454, 45750), (500, 41541), (610, 34050), (681, 30500), (732, 28375), (750, 27694), (908, 22875), (915, 22700), (1135, 18300), (1220, 17025), (1362, 15250), (1500, 13847), (1525, 13620), (1830, 11350), (2270, 9150), (2724, 7625), (3050, 6810), (3405, 6100), (3660, 5675), (4540, 4575)]