20993400

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:238

約数の個数: 144

約数和(自身を含む): 71814600

約数和(自身を除く): 50821200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 107, 109, 120, 150, 180, 200, 214, 218, 225, 300, 321, 327, 360, 428, 436, 450, 535, 545, 600, 642, 654, 856, 872, 900, 963, 981, 1070, 1090, 1284, 1308, 1605, 1635, 1800, 1926, 1962, 2140, 2180, 2568, 2616, 2675, 2725, 3210, 3270, 3852, 3924, 4280, 4360, 4815, 4905, 5350, 5450, 6420, 6540, 7704, 7848, 8025, 8175, 9630, 9810, 10700, 10900, 11663, 12840, 13080, 16050, 16350, 19260, 19620, 21400, 21800, 23326, 24075, 24525, 32100, 32700, 34989, 38520, 39240, 46652, 48150, 49050, 58315, 64200, 65400, 69978, 93304, 96300, 98100, 104967, 116630, 139956, 174945, 192600, 196200, 209934, 233260, 279912, 291575, 349890, 419868, 466520, 524835, 583150, 699780, 839736, 874725, 1049670, 1166300, 1399560, 1749450, 2099340, 2332600, 2624175, 3498900, 4198680, 5248350, 6997800, 10496700, 20993400]

約数ペア:

[(1, 20993400), (2, 10496700), (3, 6997800), (4, 5248350), (5, 4198680), (6, 3498900), (8, 2624175), (9, 2332600), (10, 2099340), (12, 1749450), (15, 1399560), (18, 1166300), (20, 1049670), (24, 874725), (25, 839736), (30, 699780), (36, 583150), (40, 524835), (45, 466520), (50, 419868), (60, 349890), (72, 291575), (75, 279912), (90, 233260), (100, 209934), (107, 196200), (109, 192600), (120, 174945), (150, 139956), (180, 116630), (200, 104967), (214, 98100), (218, 96300), (225, 93304), (300, 69978), (321, 65400), (327, 64200), (360, 58315), (428, 49050), (436, 48150), (450, 46652), (535, 39240), (545, 38520), (600, 34989), (642, 32700), (654, 32100), (856, 24525), (872, 24075), (900, 23326), (963, 21800), (981, 21400), (1070, 19620), (1090, 19260), (1284, 16350), (1308, 16050), (1605, 13080), (1635, 12840), (1800, 11663), (1926, 10900), (1962, 10700), (2140, 9810), (2180, 9630), (2568, 8175), (2616, 8025), (2675, 7848), (2725, 7704), (3210, 6540), (3270, 6420), (3852, 5450), (3924, 5350), (4280, 4905), (4360, 4815)]