20344980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{3169}}^1$

素因数の和:3288

約数の個数: 48

約数和(自身を含む): 57516480

約数和(自身を除く): 37171500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 107, 214, 321, 428, 535, 642, 1070, 1284, 1605, 2140, 3169, 3210, 6338, 6420, 9507, 12676, 15845, 19014, 31690, 38028, 47535, 63380, 95070, 190140, 339083, 678166, 1017249, 1356332, 1695415, 2034498, 3390830, 4068996, 5086245, 6781660, 10172490, 20344980]

約数ペア:

[(1, 20344980), (2, 10172490), (3, 6781660), (4, 5086245), (5, 4068996), (6, 3390830), (10, 2034498), (12, 1695415), (15, 1356332), (20, 1017249), (30, 678166), (60, 339083), (107, 190140), (214, 95070), (321, 63380), (428, 47535), (535, 38028), (642, 31690), (1070, 19014), (1284, 15845), (1605, 12676), (2140, 9507), (3169, 6420), (3210, 6338)]