20969850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1$

素因数の和:276

約数の個数: 96

約数和(自身を含む): 57853440

約数和(自身を除く): 36883590

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 25, 30, 33, 50, 55, 66, 71, 75, 110, 142, 150, 165, 179, 213, 275, 330, 355, 358, 426, 537, 550, 710, 781, 825, 895, 1065, 1074, 1562, 1650, 1775, 1790, 1969, 2130, 2343, 2685, 3550, 3905, 3938, 4475, 4686, 5325, 5370, 5907, 7810, 8950, 9845, 10650, 11715, 11814, 12709, 13425, 19525, 19690, 23430, 25418, 26850, 29535, 38127, 39050, 49225, 58575, 59070, 63545, 76254, 98450, 117150, 127090, 139799, 147675, 190635, 279598, 295350, 317725, 381270, 419397, 635450, 698995, 838794, 953175, 1397990, 1906350, 2096985, 3494975, 4193970, 6989950, 10484925, 20969850]

約数ペア:

[(1, 20969850), (2, 10484925), (3, 6989950), (5, 4193970), (6, 3494975), (10, 2096985), (11, 1906350), (15, 1397990), (22, 953175), (25, 838794), (30, 698995), (33, 635450), (50, 419397), (55, 381270), (66, 317725), (71, 295350), (75, 279598), (110, 190635), (142, 147675), (150, 139799), (165, 127090), (179, 117150), (213, 98450), (275, 76254), (330, 63545), (355, 59070), (358, 58575), (426, 49225), (537, 39050), (550, 38127), (710, 29535), (781, 26850), (825, 25418), (895, 23430), (1065, 19690), (1074, 19525), (1562, 13425), (1650, 12709), (1775, 11814), (1790, 11715), (1969, 10650), (2130, 9845), (2343, 8950), (2685, 7810), (3550, 5907), (3905, 5370), (3938, 5325), (4475, 4686)]