20840402

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{541}}^1$

素因数の和:674

約数の個数: 32

約数和(自身を含む): 36526464

約数和(自身を除く): 15686062

約数列:

[1, 2, 11, 17, 22, 34, 103, 187, 206, 374, 541, 1082, 1133, 1751, 2266, 3502, 5951, 9197, 11902, 18394, 19261, 38522, 55723, 101167, 111446, 202334, 612953, 947291, 1225906, 1894582, 10420201, 20840402]

約数ペア:

[(1, 20840402), (2, 10420201), (11, 1894582), (17, 1225906), (22, 947291), (34, 612953), (103, 202334), (187, 111446), (206, 101167), (374, 55723), (541, 38522), (1082, 19261), (1133, 18394), (1751, 11902), (2266, 9197), (3502, 5951)]