20007180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2711}}^1$

素因数の和:2767

約数の個数: 72

約数和(自身を含む): 62191584

約数和(自身を除く): 42184404

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 41, 45, 60, 82, 90, 123, 164, 180, 205, 246, 369, 410, 492, 615, 738, 820, 1230, 1476, 1845, 2460, 2711, 3690, 5422, 7380, 8133, 10844, 13555, 16266, 24399, 27110, 32532, 40665, 48798, 54220, 81330, 97596, 111151, 121995, 162660, 222302, 243990, 333453, 444604, 487980, 555755, 666906, 1000359, 1111510, 1333812, 1667265, 2000718, 2223020, 3334530, 4001436, 5001795, 6669060, 10003590, 20007180]

約数ペア:

[(1, 20007180), (2, 10003590), (3, 6669060), (4, 5001795), (5, 4001436), (6, 3334530), (9, 2223020), (10, 2000718), (12, 1667265), (15, 1333812), (18, 1111510), (20, 1000359), (30, 666906), (36, 555755), (41, 487980), (45, 444604), (60, 333453), (82, 243990), (90, 222302), (123, 162660), (164, 121995), (180, 111151), (205, 97596), (246, 81330), (369, 54220), (410, 48798), (492, 40665), (615, 32532), (738, 27110), (820, 24399), (1230, 16266), (1476, 13555), (1845, 10844), (2460, 8133), (2711, 7380), (3690, 5422)]