20911462

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1$

素因数の和:94

約数の個数: 72

約数和(自身を含む): 41157648

約数和(自身を除く): 20246186

約数列:

[1, 2, 11, 13, 17, 22, 23, 26, 34, 46, 121, 143, 187, 221, 242, 253, 286, 289, 299, 374, 391, 442, 506, 578, 598, 782, 1573, 2057, 2431, 2783, 3146, 3179, 3289, 3757, 4114, 4301, 4862, 5083, 5566, 6358, 6578, 6647, 7514, 8602, 10166, 13294, 26741, 34969, 36179, 41327, 47311, 53482, 55913, 69938, 72358, 73117, 82654, 86411, 94622, 111826, 146234, 172822, 454597, 615043, 804287, 909194, 950521, 1230086, 1608574, 1901042, 10455731, 20911462]

約数ペア:

[(1, 20911462), (2, 10455731), (11, 1901042), (13, 1608574), (17, 1230086), (22, 950521), (23, 909194), (26, 804287), (34, 615043), (46, 454597), (121, 172822), (143, 146234), (187, 111826), (221, 94622), (242, 86411), (253, 82654), (286, 73117), (289, 72358), (299, 69938), (374, 55913), (391, 53482), (442, 47311), (506, 41327), (578, 36179), (598, 34969), (782, 26741), (1573, 13294), (2057, 10166), (2431, 8602), (2783, 7514), (3146, 6647), (3179, 6578), (3289, 6358), (3757, 5566), (4114, 5083), (4301, 4862)]