20187928748

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{236293}}^1$

素因数の和:236394

約数の個数: 48

約数和(自身を含む): 40014971136

約数和(自身を除く): 19827042388

約数列:

[1, 2, 4, 13, 26, 31, 52, 53, 62, 106, 124, 212, 403, 689, 806, 1378, 1612, 1643, 2756, 3286, 6572, 21359, 42718, 85436, 236293, 472586, 945172, 3071809, 6143618, 7325083, 12287236, 12523529, 14650166, 25047058, 29300332, 50094116, 95226079, 162805877, 190452158, 325611754, 380904316, 388229399, 651223508, 776458798, 1552917596, 5046982187, 10093964374, 20187928748]

約数ペア:

[(1, 20187928748), (2, 10093964374), (4, 5046982187), (13, 1552917596), (26, 776458798), (31, 651223508), (52, 388229399), (53, 380904316), (62, 325611754), (106, 190452158), (124, 162805877), (212, 95226079), (403, 50094116), (689, 29300332), (806, 25047058), (1378, 14650166), (1612, 12523529), (1643, 12287236), (2756, 7325083), (3286, 6143618), (6572, 3071809), (21359, 945172), (42718, 472586), (85436, 236293)]