20131555864

素因数分解:

$2^3\times 7^1\times {\mathrm{271}}^1\times {\mathrm{709}}^1\times {\mathrm{1871}}^1$

素因数の和:2864

約数の個数: 64

約数和(自身を含む): 43382476800

約数和(自身を除く): 23250920936

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 271, 542, 709, 1084, 1418, 1871, 1897, 2168, 2836, 3742, 3794, 4963, 5672, 7484, 7588, 9926, 13097, 14968, 15176, 19852, 26194, 39704, 52388, 104776, 192139, 384278, 507041, 768556, 1014082, 1326539, 1344973, 1537112, 2028164, 2653078, 2689946, 3549287, 4056328, 5306156, 5379892, 7098574, 9285773, 10612312, 10759784, 14197148, 18571546, 28394296, 37143092, 74286184, 359492069, 718984138, 1437968276, 2516444483, 2875936552, 5032888966, 10065777932, 20131555864]

約数ペア:

[(1, 20131555864), (2, 10065777932), (4, 5032888966), (7, 2875936552), (8, 2516444483), (14, 1437968276), (28, 718984138), (56, 359492069), (271, 74286184), (542, 37143092), (709, 28394296), (1084, 18571546), (1418, 14197148), (1871, 10759784), (1897, 10612312), (2168, 9285773), (2836, 7098574), (3742, 5379892), (3794, 5306156), (4963, 4056328), (5672, 3549287), (7484, 2689946), (7588, 2653078), (9926, 2028164), (13097, 1537112), (14968, 1344973), (15176, 1326539), (19852, 1014082), (26194, 768556), (39704, 507041), (52388, 384278), (104776, 192139)]