20535367040

素因数分解:

$2^7\times 5^1\times {\mathrm{37}}^1\times {\mathrm{867203}}^1$

素因数の和:867259

約数の個数: 64

約数和(自身を含む): 50419240560

約数和(自身を除く): 29883873520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 128, 148, 160, 185, 296, 320, 370, 592, 640, 740, 1184, 1480, 2368, 2960, 4736, 5920, 11840, 23680, 867203, 1734406, 3468812, 4336015, 6937624, 8672030, 13875248, 17344060, 27750496, 32086511, 34688120, 55500992, 64173022, 69376240, 111001984, 128346044, 138752480, 160432555, 256692088, 277504960, 320865110, 513384176, 555009920, 641730220, 1026768352, 1283460440, 2053536704, 2566920880, 4107073408, 5133841760, 10267683520, 20535367040]

約数ペア:

[(1, 20535367040), (2, 10267683520), (4, 5133841760), (5, 4107073408), (8, 2566920880), (10, 2053536704), (16, 1283460440), (20, 1026768352), (32, 641730220), (37, 555009920), (40, 513384176), (64, 320865110), (74, 277504960), (80, 256692088), (128, 160432555), (148, 138752480), (160, 128346044), (185, 111001984), (296, 69376240), (320, 64173022), (370, 55500992), (592, 34688120), (640, 32086511), (740, 27750496), (1184, 17344060), (1480, 13875248), (2368, 8672030), (2960, 6937624), (4736, 4336015), (5920, 3468812), (11840, 1734406), (23680, 867203)]