20612520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1847}}^1$

素因数の和:1895

約数の個数: 96

約数和(自身を含む): 69189120

約数和(自身を除く): 48576600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 60, 62, 72, 90, 93, 120, 124, 155, 180, 186, 248, 279, 310, 360, 372, 465, 558, 620, 744, 930, 1116, 1240, 1395, 1847, 1860, 2232, 2790, 3694, 3720, 5541, 5580, 7388, 9235, 11082, 11160, 14776, 16623, 18470, 22164, 27705, 33246, 36940, 44328, 55410, 57257, 66492, 73880, 83115, 110820, 114514, 132984, 166230, 171771, 221640, 229028, 286285, 332460, 343542, 458056, 515313, 572570, 664920, 687084, 858855, 1030626, 1145140, 1374168, 1717710, 2061252, 2290280, 2576565, 3435420, 4122504, 5153130, 6870840, 10306260, 20612520]

約数ペア:

[(1, 20612520), (2, 10306260), (3, 6870840), (4, 5153130), (5, 4122504), (6, 3435420), (8, 2576565), (9, 2290280), (10, 2061252), (12, 1717710), (15, 1374168), (18, 1145140), (20, 1030626), (24, 858855), (30, 687084), (31, 664920), (36, 572570), (40, 515313), (45, 458056), (60, 343542), (62, 332460), (72, 286285), (90, 229028), (93, 221640), (120, 171771), (124, 166230), (155, 132984), (180, 114514), (186, 110820), (248, 83115), (279, 73880), (310, 66492), (360, 57257), (372, 55410), (465, 44328), (558, 36940), (620, 33246), (744, 27705), (930, 22164), (1116, 18470), (1240, 16623), (1395, 14776), (1847, 11160), (1860, 11082), (2232, 9235), (2790, 7388), (3694, 5580), (3720, 5541)]