20719062

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{13}}^2\times {\mathrm{139}}^1$

素因数の和:187

約数の個数: 108

約数和(自身を含む): 56953260

約数和(自身を除く): 36234198

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 49, 63, 78, 91, 98, 117, 126, 139, 147, 169, 182, 234, 273, 278, 294, 338, 417, 441, 507, 546, 637, 819, 834, 882, 973, 1014, 1183, 1251, 1274, 1521, 1638, 1807, 1911, 1946, 2366, 2502, 2919, 3042, 3549, 3614, 3822, 5421, 5733, 5838, 6811, 7098, 8281, 8757, 10647, 10842, 11466, 12649, 13622, 16263, 16562, 17514, 20433, 21294, 23491, 24843, 25298, 32526, 37947, 40866, 46982, 49686, 61299, 70473, 74529, 75894, 88543, 113841, 122598, 140946, 149058, 164437, 177086, 211419, 227682, 265629, 328874, 422838, 493311, 531258, 796887, 986622, 1151059, 1479933, 1593774, 2302118, 2959866, 3453177, 6906354, 10359531, 20719062]

約数ペア:

[(1, 20719062), (2, 10359531), (3, 6906354), (6, 3453177), (7, 2959866), (9, 2302118), (13, 1593774), (14, 1479933), (18, 1151059), (21, 986622), (26, 796887), (39, 531258), (42, 493311), (49, 422838), (63, 328874), (78, 265629), (91, 227682), (98, 211419), (117, 177086), (126, 164437), (139, 149058), (147, 140946), (169, 122598), (182, 113841), (234, 88543), (273, 75894), (278, 74529), (294, 70473), (338, 61299), (417, 49686), (441, 46982), (507, 40866), (546, 37947), (637, 32526), (819, 25298), (834, 24843), (882, 23491), (973, 21294), (1014, 20433), (1183, 17514), (1251, 16562), (1274, 16263), (1521, 13622), (1638, 12649), (1807, 11466), (1911, 10842), (1946, 10647), (2366, 8757), (2502, 8281), (2919, 7098), (3042, 6811), (3549, 5838), (3614, 5733), (3822, 5421)]