20545434

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1$

素因数の和:181

約数の個数: 128

約数和(自身を含む): 58222080

約数和(自身を除く): 37676646

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 37, 39, 42, 54, 63, 74, 78, 91, 111, 113, 117, 126, 182, 189, 222, 226, 234, 259, 273, 333, 339, 351, 378, 481, 518, 546, 666, 678, 702, 777, 791, 819, 962, 999, 1017, 1443, 1469, 1554, 1582, 1638, 1998, 2034, 2331, 2373, 2457, 2886, 2938, 3051, 3367, 4181, 4329, 4407, 4662, 4746, 4914, 6102, 6734, 6993, 7119, 8362, 8658, 8814, 10101, 10283, 12543, 12987, 13221, 13986, 14238, 20202, 20566, 21357, 25086, 25974, 26442, 29267, 30303, 30849, 37629, 39663, 42714, 54353, 58534, 60606, 61698, 75258, 79326, 87801, 90909, 92547, 108706, 112887, 163059, 175602, 181818, 185094, 225774, 263403, 277641, 326118, 380471, 489177, 526806, 555282, 760942, 790209, 978354, 1141413, 1467531, 1580418, 2282826, 2935062, 3424239, 6848478, 10272717, 20545434]

約数ペア:

[(1, 20545434), (2, 10272717), (3, 6848478), (6, 3424239), (7, 2935062), (9, 2282826), (13, 1580418), (14, 1467531), (18, 1141413), (21, 978354), (26, 790209), (27, 760942), (37, 555282), (39, 526806), (42, 489177), (54, 380471), (63, 326118), (74, 277641), (78, 263403), (91, 225774), (111, 185094), (113, 181818), (117, 175602), (126, 163059), (182, 112887), (189, 108706), (222, 92547), (226, 90909), (234, 87801), (259, 79326), (273, 75258), (333, 61698), (339, 60606), (351, 58534), (378, 54353), (481, 42714), (518, 39663), (546, 37629), (666, 30849), (678, 30303), (702, 29267), (777, 26442), (791, 25974), (819, 25086), (962, 21357), (999, 20566), (1017, 20202), (1443, 14238), (1469, 13986), (1554, 13221), (1582, 12987), (1638, 12543), (1998, 10283), (2034, 10101), (2331, 8814), (2373, 8658), (2457, 8362), (2886, 7119), (2938, 6993), (3051, 6734), (3367, 6102), (4181, 4914), (4329, 4746), (4407, 4662)]