20403856276

素因数分解:

$2^2\times {\mathrm{103}}^1\times {\mathrm{151}}^1\times {\mathrm{157}}^1\times {\mathrm{2089}}^1$

素因数の和:2504

約数の個数: 48

約数和(自身を含む): 36540824320

約数和(自身を除く): 16136968044

約数列:

[1, 2, 4, 103, 151, 157, 206, 302, 314, 412, 604, 628, 2089, 4178, 8356, 15553, 16171, 23707, 31106, 32342, 47414, 62212, 64684, 94828, 215167, 315439, 327973, 430334, 630878, 655946, 860668, 1261756, 1311892, 2441821, 4883642, 9767284, 32490217, 33781219, 49523923, 64980434, 67562438, 99047846, 129960868, 135124876, 198095692, 5100964069, 10201928138, 20403856276]

約数ペア:

[(1, 20403856276), (2, 10201928138), (4, 5100964069), (103, 198095692), (151, 135124876), (157, 129960868), (206, 99047846), (302, 67562438), (314, 64980434), (412, 49523923), (604, 33781219), (628, 32490217), (2089, 9767284), (4178, 4883642), (8356, 2441821), (15553, 1311892), (16171, 1261756), (23707, 860668), (31106, 655946), (32342, 630878), (47414, 430334), (62212, 327973), (64684, 315439), (94828, 215167)]