20696700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{3631}}^1$

素因数の和:3667

約数の個数: 72

約数和(自身を含む): 63051520

約数和(自身を除く): 42354820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 25, 30, 38, 50, 57, 60, 75, 76, 95, 100, 114, 150, 190, 228, 285, 300, 380, 475, 570, 950, 1140, 1425, 1900, 2850, 3631, 5700, 7262, 10893, 14524, 18155, 21786, 36310, 43572, 54465, 68989, 72620, 90775, 108930, 137978, 181550, 206967, 217860, 272325, 275956, 344945, 363100, 413934, 544650, 689890, 827868, 1034835, 1089300, 1379780, 1724725, 2069670, 3449450, 4139340, 5174175, 6898900, 10348350, 20696700]

約数ペア:

[(1, 20696700), (2, 10348350), (3, 6898900), (4, 5174175), (5, 4139340), (6, 3449450), (10, 2069670), (12, 1724725), (15, 1379780), (19, 1089300), (20, 1034835), (25, 827868), (30, 689890), (38, 544650), (50, 413934), (57, 363100), (60, 344945), (75, 275956), (76, 272325), (95, 217860), (100, 206967), (114, 181550), (150, 137978), (190, 108930), (228, 90775), (285, 72620), (300, 68989), (380, 54465), (475, 43572), (570, 36310), (950, 21786), (1140, 18155), (1425, 14524), (1900, 10893), (2850, 7262), (3631, 5700)]