11890820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{853}}^1$

素因数の和:920

約数の個数: 48

約数和(自身を含む): 27116208

約数和(自身を除く): 15225388

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 41, 68, 82, 85, 164, 170, 205, 340, 410, 697, 820, 853, 1394, 1706, 2788, 3412, 3485, 4265, 6970, 8530, 13940, 14501, 17060, 29002, 34973, 58004, 69946, 72505, 139892, 145010, 174865, 290020, 349730, 594541, 699460, 1189082, 2378164, 2972705, 5945410, 11890820]

約数ペア:

[(1, 11890820), (2, 5945410), (4, 2972705), (5, 2378164), (10, 1189082), (17, 699460), (20, 594541), (34, 349730), (41, 290020), (68, 174865), (82, 145010), (85, 139892), (164, 72505), (170, 69946), (205, 58004), (340, 34973), (410, 29002), (697, 17060), (820, 14501), (853, 13940), (1394, 8530), (1706, 6970), (2788, 4265), (3412, 3485)]