20101679818

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{421}}^1\times {\mathrm{2969}}^1$

素因数の和:3463

約数の個数: 64

約数和(自身を含む): 35735230080

約数和(自身を除く): 15633550262

約数列:

[1, 2, 11, 17, 22, 34, 43, 86, 187, 374, 421, 473, 731, 842, 946, 1462, 2969, 4631, 5938, 7157, 8041, 9262, 14314, 16082, 18103, 32659, 36206, 50473, 65318, 78727, 100946, 127667, 157454, 199133, 255334, 307751, 398266, 555203, 615502, 1110406, 1249949, 1404337, 2170339, 2499898, 2808674, 3385261, 4340678, 6770522, 13749439, 21249133, 23873729, 27498878, 42498266, 47747458, 53747807, 107495614, 233740463, 467480926, 591225877, 913712719, 1182451754, 1827425438, 10050839909, 20101679818]

約数ペア:

[(1, 20101679818), (2, 10050839909), (11, 1827425438), (17, 1182451754), (22, 913712719), (34, 591225877), (43, 467480926), (86, 233740463), (187, 107495614), (374, 53747807), (421, 47747458), (473, 42498266), (731, 27498878), (842, 23873729), (946, 21249133), (1462, 13749439), (2969, 6770522), (4631, 4340678), (5938, 3385261), (7157, 2808674), (8041, 2499898), (9262, 2170339), (14314, 1404337), (16082, 1249949), (18103, 1110406), (32659, 615502), (36206, 555203), (50473, 398266), (65318, 307751), (78727, 255334), (100946, 199133), (127667, 157454)]