20634736

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{709}}^1$

素因数の和:841

約数の個数: 40

約数和(自身を含む): 42787440

約数和(自身を除く): 22152704

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 107, 136, 214, 272, 428, 709, 856, 1418, 1712, 1819, 2836, 3638, 5672, 7276, 11344, 12053, 14552, 24106, 29104, 48212, 75863, 96424, 151726, 192848, 303452, 606904, 1213808, 1289671, 2579342, 5158684, 10317368, 20634736]

約数ペア:

[(1, 20634736), (2, 10317368), (4, 5158684), (8, 2579342), (16, 1289671), (17, 1213808), (34, 606904), (68, 303452), (107, 192848), (136, 151726), (214, 96424), (272, 75863), (428, 48212), (709, 29104), (856, 24106), (1418, 14552), (1712, 12053), (1819, 11344), (2836, 7276), (3638, 5672)]