20165418

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{947}}^1$

素因数の和:988

約数の個数: 72

約数和(自身を含む): 54127008

約数和(自身を除く): 33961590

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 169, 182, 234, 273, 338, 507, 546, 819, 947, 1014, 1183, 1521, 1638, 1894, 2366, 2841, 3042, 3549, 5682, 6629, 7098, 8523, 10647, 12311, 13258, 17046, 19887, 21294, 24622, 36933, 39774, 59661, 73866, 86177, 110799, 119322, 160043, 172354, 221598, 258531, 320086, 480129, 517062, 775593, 960258, 1120301, 1440387, 1551186, 2240602, 2880774, 3360903, 6721806, 10082709, 20165418]

約数ペア:

[(1, 20165418), (2, 10082709), (3, 6721806), (6, 3360903), (7, 2880774), (9, 2240602), (13, 1551186), (14, 1440387), (18, 1120301), (21, 960258), (26, 775593), (39, 517062), (42, 480129), (63, 320086), (78, 258531), (91, 221598), (117, 172354), (126, 160043), (169, 119322), (182, 110799), (234, 86177), (273, 73866), (338, 59661), (507, 39774), (546, 36933), (819, 24622), (947, 21294), (1014, 19887), (1183, 17046), (1521, 13258), (1638, 12311), (1894, 10647), (2366, 8523), (2841, 7098), (3042, 6629), (3549, 5682)]