20178966468

素因数分解:

$2^2\times 3^1\times {\mathrm{67}}^1\times {\mathrm{787}}^1\times {\mathrm{31891}}^1$

素因数の和:32752

約数の個数: 48

約数和(自身を含む): 47849225984

約数和(自身を除く): 27670259516

約数列:

[1, 2, 3, 4, 6, 12, 67, 134, 201, 268, 402, 787, 804, 1574, 2361, 3148, 4722, 9444, 31891, 52729, 63782, 95673, 105458, 127564, 158187, 191346, 210916, 316374, 382692, 632748, 2136697, 4273394, 6410091, 8546788, 12820182, 25098217, 25640364, 50196434, 75294651, 100392868, 150589302, 301178604, 1681580539, 3363161078, 5044741617, 6726322156, 10089483234, 20178966468]

約数ペア:

[(1, 20178966468), (2, 10089483234), (3, 6726322156), (4, 5044741617), (6, 3363161078), (12, 1681580539), (67, 301178604), (134, 150589302), (201, 100392868), (268, 75294651), (402, 50196434), (787, 25640364), (804, 25098217), (1574, 12820182), (2361, 8546788), (3148, 6410091), (4722, 4273394), (9444, 2136697), (31891, 632748), (52729, 382692), (63782, 316374), (95673, 210916), (105458, 191346), (127564, 158187)]