20736057340

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{389}}^1\times {\mathrm{1259}}^1$

素因数の和:1759

約数の個数: 96

約数和(自身を含む): 45818136000

約数和(自身を除く): 25082078660

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 73, 116, 145, 146, 290, 292, 365, 389, 580, 730, 778, 1259, 1460, 1556, 1945, 2117, 2518, 3890, 4234, 5036, 6295, 7780, 8468, 10585, 11281, 12590, 21170, 22562, 25180, 28397, 36511, 42340, 45124, 56405, 56794, 73022, 91907, 112810, 113588, 141985, 146044, 182555, 183814, 225620, 283970, 365110, 367628, 459535, 489751, 567940, 730220, 823513, 919070, 979502, 1647026, 1838140, 1959004, 2448755, 2665303, 3294052, 4117565, 4897510, 5330606, 8235130, 9795020, 10661212, 13326515, 14202779, 16470260, 26653030, 28405558, 35751823, 53306060, 56811116, 71013895, 71503646, 142027790, 143007292, 178759115, 284055580, 357518230, 715036460, 1036802867, 2073605734, 4147211468, 5184014335, 10368028670, 20736057340]

約数ペア:

[(1, 20736057340), (2, 10368028670), (4, 5184014335), (5, 4147211468), (10, 2073605734), (20, 1036802867), (29, 715036460), (58, 357518230), (73, 284055580), (116, 178759115), (145, 143007292), (146, 142027790), (290, 71503646), (292, 71013895), (365, 56811116), (389, 53306060), (580, 35751823), (730, 28405558), (778, 26653030), (1259, 16470260), (1460, 14202779), (1556, 13326515), (1945, 10661212), (2117, 9795020), (2518, 8235130), (3890, 5330606), (4234, 4897510), (5036, 4117565), (6295, 3294052), (7780, 2665303), (8468, 2448755), (10585, 1959004), (11281, 1838140), (12590, 1647026), (21170, 979502), (22562, 919070), (25180, 823513), (28397, 730220), (36511, 567940), (42340, 489751), (45124, 459535), (56405, 367628), (56794, 365110), (73022, 283970), (91907, 225620), (112810, 183814), (113588, 182555), (141985, 146044)]