20276478

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:158

約数の個数: 96

約数和(自身を含む): 50409216

約数和(自身を除く): 30132738

約数列:

[1, 2, 3, 6, 9, 17, 18, 23, 34, 43, 46, 51, 67, 69, 86, 102, 129, 134, 138, 153, 201, 207, 258, 306, 387, 391, 402, 414, 603, 731, 774, 782, 989, 1139, 1173, 1206, 1462, 1541, 1978, 2193, 2278, 2346, 2881, 2967, 3082, 3417, 3519, 4386, 4623, 5762, 5934, 6579, 6834, 7038, 8643, 8901, 9246, 10251, 13158, 13869, 16813, 17286, 17802, 20502, 25929, 26197, 27738, 33626, 48977, 50439, 51858, 52394, 66263, 78591, 97954, 100878, 132526, 146931, 151317, 157182, 198789, 235773, 293862, 302634, 397578, 440793, 471546, 596367, 881586, 1126471, 1192734, 2252942, 3379413, 6758826, 10138239, 20276478]

約数ペア:

[(1, 20276478), (2, 10138239), (3, 6758826), (6, 3379413), (9, 2252942), (17, 1192734), (18, 1126471), (23, 881586), (34, 596367), (43, 471546), (46, 440793), (51, 397578), (67, 302634), (69, 293862), (86, 235773), (102, 198789), (129, 157182), (134, 151317), (138, 146931), (153, 132526), (201, 100878), (207, 97954), (258, 78591), (306, 66263), (387, 52394), (391, 51858), (402, 50439), (414, 48977), (603, 33626), (731, 27738), (774, 26197), (782, 25929), (989, 20502), (1139, 17802), (1173, 17286), (1206, 16813), (1462, 13869), (1541, 13158), (1978, 10251), (2193, 9246), (2278, 8901), (2346, 8643), (2881, 7038), (2967, 6834), (3082, 6579), (3417, 5934), (3519, 5762), (4386, 4623)]