20268420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{641}}^1$

素因数の和:701

約数の個数: 96

約数和(自身を含む): 62125056

約数和(自身を除く): 41856636

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 31, 34, 51, 60, 62, 68, 85, 93, 102, 124, 155, 170, 186, 204, 255, 310, 340, 372, 465, 510, 527, 620, 641, 930, 1020, 1054, 1282, 1581, 1860, 1923, 2108, 2564, 2635, 3162, 3205, 3846, 5270, 6324, 6410, 7692, 7905, 9615, 10540, 10897, 12820, 15810, 19230, 19871, 21794, 31620, 32691, 38460, 39742, 43588, 54485, 59613, 65382, 79484, 99355, 108970, 119226, 130764, 163455, 198710, 217940, 238452, 298065, 326910, 337807, 397420, 596130, 653820, 675614, 1013421, 1192260, 1351228, 1689035, 2026842, 3378070, 4053684, 5067105, 6756140, 10134210, 20268420]

約数ペア:

[(1, 20268420), (2, 10134210), (3, 6756140), (4, 5067105), (5, 4053684), (6, 3378070), (10, 2026842), (12, 1689035), (15, 1351228), (17, 1192260), (20, 1013421), (30, 675614), (31, 653820), (34, 596130), (51, 397420), (60, 337807), (62, 326910), (68, 298065), (85, 238452), (93, 217940), (102, 198710), (124, 163455), (155, 130764), (170, 119226), (186, 108970), (204, 99355), (255, 79484), (310, 65382), (340, 59613), (372, 54485), (465, 43588), (510, 39742), (527, 38460), (620, 32691), (641, 31620), (930, 21794), (1020, 19871), (1054, 19230), (1282, 15810), (1581, 12820), (1860, 10897), (1923, 10540), (2108, 9615), (2564, 7905), (2635, 7692), (3162, 6410), (3205, 6324), (3846, 5270)]