20877768

素因数分解:

$2^3\times 3^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{461}}^1$

素因数の和:527

約数の個数: 96

約数和(自身を含む): 61621560

約数和(自身を除く): 40743792

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 34, 36, 37, 51, 68, 72, 74, 102, 111, 136, 148, 153, 204, 222, 296, 306, 333, 408, 444, 461, 612, 629, 666, 888, 922, 1224, 1258, 1332, 1383, 1844, 1887, 2516, 2664, 2766, 3688, 3774, 4149, 5032, 5532, 5661, 7548, 7837, 8298, 11064, 11322, 15096, 15674, 16596, 17057, 22644, 23511, 31348, 33192, 34114, 45288, 47022, 51171, 62696, 68228, 70533, 94044, 102342, 136456, 141066, 153513, 188088, 204684, 282132, 289969, 307026, 409368, 564264, 579938, 614052, 869907, 1159876, 1228104, 1739814, 2319752, 2609721, 3479628, 5219442, 6959256, 10438884, 20877768]

約数ペア:

[(1, 20877768), (2, 10438884), (3, 6959256), (4, 5219442), (6, 3479628), (8, 2609721), (9, 2319752), (12, 1739814), (17, 1228104), (18, 1159876), (24, 869907), (34, 614052), (36, 579938), (37, 564264), (51, 409368), (68, 307026), (72, 289969), (74, 282132), (102, 204684), (111, 188088), (136, 153513), (148, 141066), (153, 136456), (204, 102342), (222, 94044), (296, 70533), (306, 68228), (333, 62696), (408, 51171), (444, 47022), (461, 45288), (612, 34114), (629, 33192), (666, 31348), (888, 23511), (922, 22644), (1224, 17057), (1258, 16596), (1332, 15674), (1383, 15096), (1844, 11322), (1887, 11064), (2516, 8298), (2664, 7837), (2766, 7548), (3688, 5661), (3774, 5532), (4149, 5032)]