20174790987

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{12569}}^1$

素因数の和:12877

約数の個数: 64

約数和(自身を含む): 34210512000

約数和(自身を除く): 14035721013

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 117, 153, 221, 269, 351, 459, 663, 807, 1989, 2421, 3497, 4573, 5967, 7263, 10491, 12569, 13719, 31473, 37707, 41157, 59449, 94419, 113121, 123471, 163397, 178347, 213673, 339363, 490191, 535041, 641019, 1470573, 1605123, 1923057, 2777749, 3381061, 4411719, 5769171, 8333247, 10143183, 24999741, 30429549, 43953793, 57478037, 74999223, 91288647, 131861379, 172434111, 395584137, 517302333, 747214481, 1186752411, 1551906999, 2241643443, 6724930329, 20174790987]

約数ペア:

[(1, 20174790987), (3, 6724930329), (9, 2241643443), (13, 1551906999), (17, 1186752411), (27, 747214481), (39, 517302333), (51, 395584137), (117, 172434111), (153, 131861379), (221, 91288647), (269, 74999223), (351, 57478037), (459, 43953793), (663, 30429549), (807, 24999741), (1989, 10143183), (2421, 8333247), (3497, 5769171), (4573, 4411719), (5967, 3381061), (7263, 2777749), (10491, 1923057), (12569, 1605123), (13719, 1470573), (31473, 641019), (37707, 535041), (41157, 490191), (59449, 339363), (94419, 213673), (113121, 178347), (123471, 163397)]