20208060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{857}}^1$

素因数の和:1003

約数の個数: 72

約数和(自身を含む): 61837776

約数和(自身を除く): 41629716

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 131, 180, 262, 393, 524, 655, 786, 857, 1179, 1310, 1572, 1714, 1965, 2358, 2571, 2620, 3428, 3930, 4285, 4716, 5142, 5895, 7713, 7860, 8570, 10284, 11790, 12855, 15426, 17140, 23580, 25710, 30852, 38565, 51420, 77130, 112267, 154260, 224534, 336801, 449068, 561335, 673602, 1010403, 1122670, 1347204, 1684005, 2020806, 2245340, 3368010, 4041612, 5052015, 6736020, 10104030, 20208060]

約数ペア:

[(1, 20208060), (2, 10104030), (3, 6736020), (4, 5052015), (5, 4041612), (6, 3368010), (9, 2245340), (10, 2020806), (12, 1684005), (15, 1347204), (18, 1122670), (20, 1010403), (30, 673602), (36, 561335), (45, 449068), (60, 336801), (90, 224534), (131, 154260), (180, 112267), (262, 77130), (393, 51420), (524, 38565), (655, 30852), (786, 25710), (857, 23580), (1179, 17140), (1310, 15426), (1572, 12855), (1714, 11790), (1965, 10284), (2358, 8570), (2571, 7860), (2620, 7713), (3428, 5895), (3930, 5142), (4285, 4716)]