20150984

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{347}}^1$

素因数の和:438

約数の個数: 64

約数和(自身を含む): 46604160

約数和(自身を除く): 26453176

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 61, 68, 119, 122, 136, 238, 244, 347, 427, 476, 488, 694, 854, 952, 1037, 1388, 1708, 2074, 2429, 2776, 3416, 4148, 4858, 5899, 7259, 8296, 9716, 11798, 14518, 19432, 21167, 23596, 29036, 41293, 42334, 47192, 58072, 82586, 84668, 148169, 165172, 169336, 296338, 330344, 359839, 592676, 719678, 1185352, 1439356, 2518873, 2878712, 5037746, 10075492, 20150984]

約数ペア:

[(1, 20150984), (2, 10075492), (4, 5037746), (7, 2878712), (8, 2518873), (14, 1439356), (17, 1185352), (28, 719678), (34, 592676), (56, 359839), (61, 330344), (68, 296338), (119, 169336), (122, 165172), (136, 148169), (238, 84668), (244, 82586), (347, 58072), (427, 47192), (476, 42334), (488, 41293), (694, 29036), (854, 23596), (952, 21167), (1037, 19432), (1388, 14518), (1708, 11798), (2074, 9716), (2429, 8296), (2776, 7259), (3416, 5899), (4148, 4858)]