20857575678

素因数分解:

$2^1\times 3^1\times {\mathrm{41}}^2\times {\mathrm{397}}^1\times {\mathrm{5209}}^1$

素因数の和:5693

約数の個数: 48

約数和(自身を含む): 42873340080

約数和(自身を除く): 22015764402

約数列:

[1, 2, 3, 6, 41, 82, 123, 246, 397, 794, 1191, 1681, 2382, 3362, 5043, 5209, 10086, 10418, 15627, 16277, 31254, 32554, 48831, 97662, 213569, 427138, 640707, 667357, 1281414, 1334714, 2002071, 2067973, 4004142, 4135946, 6203919, 8756329, 12407838, 17512658, 26268987, 52537974, 84786893, 169573786, 254360679, 508721358, 3476262613, 6952525226, 10428787839, 20857575678]

約数ペア:

[(1, 20857575678), (2, 10428787839), (3, 6952525226), (6, 3476262613), (41, 508721358), (82, 254360679), (123, 169573786), (246, 84786893), (397, 52537974), (794, 26268987), (1191, 17512658), (1681, 12407838), (2382, 8756329), (3362, 6203919), (5043, 4135946), (5209, 4004142), (10086, 2067973), (10418, 2002071), (15627, 1334714), (16277, 1281414), (31254, 667357), (32554, 640707), (48831, 427138), (97662, 213569)]