20171378988

素因数分解:

$2^2\times 3^2\times {\mathrm{241}}^1\times {\mathrm{337}}^1\times {\mathrm{6899}}^1$

素因数の和:7487

約数の個数: 72

約数和(自身を含む): 51359708400

約数和(自身を除く): 31188329412

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 241, 337, 482, 674, 723, 964, 1011, 1348, 1446, 2022, 2169, 2892, 3033, 4044, 4338, 6066, 6899, 8676, 12132, 13798, 20697, 27596, 41394, 62091, 81217, 82788, 124182, 162434, 243651, 248364, 324868, 487302, 730953, 974604, 1461906, 1662659, 2324963, 2923812, 3325318, 4649926, 4987977, 6650636, 6974889, 9299852, 9975954, 13949778, 14963931, 19951908, 20924667, 27899556, 29927862, 41849334, 59855724, 83698668, 560316083, 1120632166, 1680948249, 2241264332, 3361896498, 5042844747, 6723792996, 10085689494, 20171378988]

約数ペア:

[(1, 20171378988), (2, 10085689494), (3, 6723792996), (4, 5042844747), (6, 3361896498), (9, 2241264332), (12, 1680948249), (18, 1120632166), (36, 560316083), (241, 83698668), (337, 59855724), (482, 41849334), (674, 29927862), (723, 27899556), (964, 20924667), (1011, 19951908), (1348, 14963931), (1446, 13949778), (2022, 9975954), (2169, 9299852), (2892, 6974889), (3033, 6650636), (4044, 4987977), (4338, 4649926), (6066, 3325318), (6899, 2923812), (8676, 2324963), (12132, 1662659), (13798, 1461906), (20697, 974604), (27596, 730953), (41394, 487302), (62091, 324868), (81217, 248364), (82788, 243651), (124182, 162434)]