20553510

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{211}}^1$

素因数の和:429

約数の個数: 64

約数和(自身を含む): 52752384

約数和(自身を除く): 32198874

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 191, 211, 255, 382, 422, 510, 573, 633, 955, 1055, 1146, 1266, 1910, 2110, 2865, 3165, 3247, 3587, 5730, 6330, 6494, 7174, 9741, 10761, 16235, 17935, 19482, 21522, 32470, 35870, 40301, 48705, 53805, 80602, 97410, 107610, 120903, 201505, 241806, 403010, 604515, 685117, 1209030, 1370234, 2055351, 3425585, 4110702, 6851170, 10276755, 20553510]

約数ペア:

[(1, 20553510), (2, 10276755), (3, 6851170), (5, 4110702), (6, 3425585), (10, 2055351), (15, 1370234), (17, 1209030), (30, 685117), (34, 604515), (51, 403010), (85, 241806), (102, 201505), (170, 120903), (191, 107610), (211, 97410), (255, 80602), (382, 53805), (422, 48705), (510, 40301), (573, 35870), (633, 32470), (955, 21522), (1055, 19482), (1146, 17935), (1266, 16235), (1910, 10761), (2110, 9741), (2865, 7174), (3165, 6494), (3247, 6330), (3587, 5730)]