20401938

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1093}}^1$

素因数の和:1179

約数の個数: 48

約数和(自身を含む): 47615256

約数和(自身を除く): 27213318

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 61, 102, 122, 153, 183, 306, 366, 549, 1037, 1093, 1098, 2074, 2186, 3111, 3279, 6222, 6558, 9333, 9837, 18581, 18666, 19674, 37162, 55743, 66673, 111486, 133346, 167229, 200019, 334458, 400038, 600057, 1133441, 1200114, 2266882, 3400323, 6800646, 10200969, 20401938]

約数ペア:

[(1, 20401938), (2, 10200969), (3, 6800646), (6, 3400323), (9, 2266882), (17, 1200114), (18, 1133441), (34, 600057), (51, 400038), (61, 334458), (102, 200019), (122, 167229), (153, 133346), (183, 111486), (306, 66673), (366, 55743), (549, 37162), (1037, 19674), (1093, 18666), (1098, 18581), (2074, 9837), (2186, 9333), (3111, 6558), (3279, 6222)]