20139152

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:216

約数の個数: 80

約数和(自身を含む): 46282752

約数和(自身を除く): 26143600

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 53, 68, 88, 106, 127, 136, 176, 187, 212, 254, 272, 374, 424, 508, 583, 748, 848, 901, 1016, 1166, 1397, 1496, 1802, 2032, 2159, 2332, 2794, 2992, 3604, 4318, 4664, 5588, 6731, 7208, 8636, 9328, 9911, 11176, 13462, 14416, 17272, 19822, 22352, 23749, 26924, 34544, 39644, 47498, 53848, 74041, 79288, 94996, 107696, 114427, 148082, 158576, 189992, 228854, 296164, 379984, 457708, 592328, 915416, 1184656, 1258697, 1830832, 2517394, 5034788, 10069576, 20139152]

約数ペア:

[(1, 20139152), (2, 10069576), (4, 5034788), (8, 2517394), (11, 1830832), (16, 1258697), (17, 1184656), (22, 915416), (34, 592328), (44, 457708), (53, 379984), (68, 296164), (88, 228854), (106, 189992), (127, 158576), (136, 148082), (176, 114427), (187, 107696), (212, 94996), (254, 79288), (272, 74041), (374, 53848), (424, 47498), (508, 39644), (583, 34544), (748, 26924), (848, 23749), (901, 22352), (1016, 19822), (1166, 17272), (1397, 14416), (1496, 13462), (1802, 11176), (2032, 9911), (2159, 9328), (2332, 8636), (2794, 7208), (2992, 6731), (3604, 5588), (4318, 4664)]