20024820

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{263}}^1$

素因数の和:331

約数の個数: 120

約数和(自身を含む): 64399104

約数和(自身を除く): 44374284

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 47, 54, 60, 81, 90, 94, 108, 135, 141, 162, 180, 188, 235, 263, 270, 282, 324, 405, 423, 470, 526, 540, 564, 705, 789, 810, 846, 940, 1052, 1269, 1315, 1410, 1578, 1620, 1692, 2115, 2367, 2538, 2630, 2820, 3156, 3807, 3945, 4230, 4734, 5076, 5260, 6345, 7101, 7614, 7890, 8460, 9468, 11835, 12361, 12690, 14202, 15228, 15780, 19035, 21303, 23670, 24722, 25380, 28404, 35505, 37083, 38070, 42606, 47340, 49444, 61805, 71010, 74166, 76140, 85212, 106515, 111249, 123610, 142020, 148332, 185415, 213030, 222498, 247220, 333747, 370830, 426060, 444996, 556245, 667494, 741660, 1001241, 1112490, 1334988, 1668735, 2002482, 2224980, 3337470, 4004964, 5006205, 6674940, 10012410, 20024820]

約数ペア:

[(1, 20024820), (2, 10012410), (3, 6674940), (4, 5006205), (5, 4004964), (6, 3337470), (9, 2224980), (10, 2002482), (12, 1668735), (15, 1334988), (18, 1112490), (20, 1001241), (27, 741660), (30, 667494), (36, 556245), (45, 444996), (47, 426060), (54, 370830), (60, 333747), (81, 247220), (90, 222498), (94, 213030), (108, 185415), (135, 148332), (141, 142020), (162, 123610), (180, 111249), (188, 106515), (235, 85212), (263, 76140), (270, 74166), (282, 71010), (324, 61805), (405, 49444), (423, 47340), (470, 42606), (526, 38070), (540, 37083), (564, 35505), (705, 28404), (789, 25380), (810, 24722), (846, 23670), (940, 21303), (1052, 19035), (1269, 15780), (1315, 15228), (1410, 14202), (1578, 12690), (1620, 12361), (1692, 11835), (2115, 9468), (2367, 8460), (2538, 7890), (2630, 7614), (2820, 7101), (3156, 6345), (3807, 5260), (3945, 5076), (4230, 4734)]