20554530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{983}}^1$

素因数の和:1051

約数の個数: 64

約数和(自身を含む): 53561088

約数和(自身を除く): 33006558

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 41, 51, 82, 85, 102, 123, 170, 205, 246, 255, 410, 510, 615, 697, 983, 1230, 1394, 1966, 2091, 2949, 3485, 4182, 4915, 5898, 6970, 9830, 10455, 14745, 16711, 20910, 29490, 33422, 40303, 50133, 80606, 83555, 100266, 120909, 167110, 201515, 241818, 250665, 403030, 501330, 604545, 685151, 1209090, 1370302, 2055453, 3425755, 4110906, 6851510, 10277265, 20554530]

約数ペア:

[(1, 20554530), (2, 10277265), (3, 6851510), (5, 4110906), (6, 3425755), (10, 2055453), (15, 1370302), (17, 1209090), (30, 685151), (34, 604545), (41, 501330), (51, 403030), (82, 250665), (85, 241818), (102, 201515), (123, 167110), (170, 120909), (205, 100266), (246, 83555), (255, 80606), (410, 50133), (510, 40303), (615, 33422), (697, 29490), (983, 20910), (1230, 16711), (1394, 14745), (1966, 10455), (2091, 9830), (2949, 6970), (3485, 5898), (4182, 4915)]