20708176

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4007}}^1$

素因数の和:4051

約数の個数: 40

約数和(自身を含む): 44729280

約数和(自身を除く): 24021104

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 68, 76, 136, 152, 272, 304, 323, 646, 1292, 2584, 4007, 5168, 8014, 16028, 32056, 64112, 68119, 76133, 136238, 152266, 272476, 304532, 544952, 609064, 1089904, 1218128, 1294261, 2588522, 5177044, 10354088, 20708176]

約数ペア:

[(1, 20708176), (2, 10354088), (4, 5177044), (8, 2588522), (16, 1294261), (17, 1218128), (19, 1089904), (34, 609064), (38, 544952), (68, 304532), (76, 272476), (136, 152266), (152, 136238), (272, 76133), (304, 68119), (323, 64112), (646, 32056), (1292, 16028), (2584, 8014), (4007, 5168)]