20983170

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{311}}^1$

素因数の和:507

約数の個数: 64

約数和(自身を含む): 54722304

約数和(自身を除く): 33739134

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 173, 195, 311, 346, 390, 519, 622, 865, 933, 1038, 1555, 1730, 1866, 2249, 2595, 3110, 4043, 4498, 4665, 5190, 6747, 8086, 9330, 11245, 12129, 13494, 20215, 22490, 24258, 33735, 40430, 53803, 60645, 67470, 107606, 121290, 161409, 269015, 322818, 538030, 699439, 807045, 1398878, 1614090, 2098317, 3497195, 4196634, 6994390, 10491585, 20983170]

約数ペア:

[(1, 20983170), (2, 10491585), (3, 6994390), (5, 4196634), (6, 3497195), (10, 2098317), (13, 1614090), (15, 1398878), (26, 807045), (30, 699439), (39, 538030), (65, 322818), (78, 269015), (130, 161409), (173, 121290), (195, 107606), (311, 67470), (346, 60645), (390, 53803), (519, 40430), (622, 33735), (865, 24258), (933, 22490), (1038, 20215), (1555, 13494), (1730, 12129), (1866, 11245), (2249, 9330), (2595, 8086), (3110, 6747), (4043, 5190), (4498, 4665)]