20884908

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{227}}^1$

素因数の和:303

約数の個数: 96

約数和(自身を含む): 57915648

約数和(自身を除く): 37030740

約数列:

[1, 2, 3, 4, 6, 11, 12, 17, 22, 33, 34, 41, 44, 51, 66, 68, 82, 102, 123, 132, 164, 187, 204, 227, 246, 374, 451, 454, 492, 561, 681, 697, 748, 902, 908, 1122, 1353, 1362, 1394, 1804, 2091, 2244, 2497, 2706, 2724, 2788, 3859, 4182, 4994, 5412, 7491, 7667, 7718, 8364, 9307, 9988, 11577, 14982, 15334, 15436, 18614, 23001, 23154, 27921, 29964, 30668, 37228, 42449, 46002, 46308, 55842, 84898, 92004, 102377, 111684, 127347, 158219, 169796, 204754, 254694, 307131, 316438, 409508, 474657, 509388, 614262, 632876, 949314, 1228524, 1740409, 1898628, 3480818, 5221227, 6961636, 10442454, 20884908]

約数ペア:

[(1, 20884908), (2, 10442454), (3, 6961636), (4, 5221227), (6, 3480818), (11, 1898628), (12, 1740409), (17, 1228524), (22, 949314), (33, 632876), (34, 614262), (41, 509388), (44, 474657), (51, 409508), (66, 316438), (68, 307131), (82, 254694), (102, 204754), (123, 169796), (132, 158219), (164, 127347), (187, 111684), (204, 102377), (227, 92004), (246, 84898), (374, 55842), (451, 46308), (454, 46002), (492, 42449), (561, 37228), (681, 30668), (697, 29964), (748, 27921), (902, 23154), (908, 23001), (1122, 18614), (1353, 15436), (1362, 15334), (1394, 14982), (1804, 11577), (2091, 9988), (2244, 9307), (2497, 8364), (2706, 7718), (2724, 7667), (2788, 7491), (3859, 5412), (4182, 4994)]