16610020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{997}}^1$

素因数の和:1037

約数の個数: 72

約数和(自身を含む): 43005816

約数和(自身を除く): 26395796

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 49, 68, 70, 85, 98, 119, 140, 170, 196, 238, 245, 340, 476, 490, 595, 833, 980, 997, 1190, 1666, 1994, 2380, 3332, 3988, 4165, 4985, 6979, 8330, 9970, 13958, 16660, 16949, 19940, 27916, 33898, 34895, 48853, 67796, 69790, 84745, 97706, 118643, 139580, 169490, 195412, 237286, 244265, 338980, 474572, 488530, 593215, 830501, 977060, 1186430, 1661002, 2372860, 3322004, 4152505, 8305010, 16610020]

約数ペア:

[(1, 16610020), (2, 8305010), (4, 4152505), (5, 3322004), (7, 2372860), (10, 1661002), (14, 1186430), (17, 977060), (20, 830501), (28, 593215), (34, 488530), (35, 474572), (49, 338980), (68, 244265), (70, 237286), (85, 195412), (98, 169490), (119, 139580), (140, 118643), (170, 97706), (196, 84745), (238, 69790), (245, 67796), (340, 48853), (476, 34895), (490, 33898), (595, 27916), (833, 19940), (980, 16949), (997, 16660), (1190, 13958), (1666, 9970), (1994, 8330), (2380, 6979), (3332, 4985), (3988, 4165)]