20912388

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{13103}}^1$

素因数の和:13136

約数の個数: 48

約数和(自身を含む): 58705920

約数和(自身を除く): 37793532

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 57, 76, 84, 114, 133, 228, 266, 399, 532, 798, 1596, 13103, 26206, 39309, 52412, 78618, 91721, 157236, 183442, 248957, 275163, 366884, 497914, 550326, 746871, 995828, 1100652, 1493742, 1742699, 2987484, 3485398, 5228097, 6970796, 10456194, 20912388]

約数ペア:

[(1, 20912388), (2, 10456194), (3, 6970796), (4, 5228097), (6, 3485398), (7, 2987484), (12, 1742699), (14, 1493742), (19, 1100652), (21, 995828), (28, 746871), (38, 550326), (42, 497914), (57, 366884), (76, 275163), (84, 248957), (114, 183442), (133, 157236), (228, 91721), (266, 78618), (399, 52412), (532, 39309), (798, 26206), (1596, 13103)]