20156424440

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{706747}}^1$

素因数の和:706812

約数の個数: 64

約数和(自身を含む): 48850421760

約数和(自身を除く): 28693997320

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 31, 40, 46, 62, 92, 115, 124, 155, 184, 230, 248, 310, 460, 620, 713, 920, 1240, 1426, 2852, 3565, 5704, 7130, 14260, 28520, 706747, 1413494, 2826988, 3533735, 5653976, 7067470, 14134940, 16255181, 21909157, 28269880, 32510362, 43818314, 65020724, 81275905, 87636628, 109545785, 130041448, 162551810, 175273256, 219091570, 325103620, 438183140, 503910611, 650207240, 876366280, 1007821222, 2015642444, 2519553055, 4031284888, 5039106110, 10078212220, 20156424440]

約数ペア:

[(1, 20156424440), (2, 10078212220), (4, 5039106110), (5, 4031284888), (8, 2519553055), (10, 2015642444), (20, 1007821222), (23, 876366280), (31, 650207240), (40, 503910611), (46, 438183140), (62, 325103620), (92, 219091570), (115, 175273256), (124, 162551810), (155, 130041448), (184, 109545785), (230, 87636628), (248, 81275905), (310, 65020724), (460, 43818314), (620, 32510362), (713, 28269880), (920, 21909157), (1240, 16255181), (1426, 14134940), (2852, 7067470), (3565, 5653976), (5704, 3533735), (7130, 2826988), (14260, 1413494), (28520, 706747)]