20910150

素因数分解:

$2^1\times 3^5\times 5^2\times {\mathrm{1721}}^1$

素因数の和:1748

約数の個数: 72

約数和(自身を含む): 58293144

約数和(自身を除く): 37382994

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 75, 81, 90, 135, 150, 162, 225, 243, 270, 405, 450, 486, 675, 810, 1215, 1350, 1721, 2025, 2430, 3442, 4050, 5163, 6075, 8605, 10326, 12150, 15489, 17210, 25815, 30978, 43025, 46467, 51630, 77445, 86050, 92934, 129075, 139401, 154890, 232335, 258150, 278802, 387225, 418203, 464670, 697005, 774450, 836406, 1161675, 1394010, 2091015, 2323350, 3485025, 4182030, 6970050, 10455075, 20910150]

約数ペア:

[(1, 20910150), (2, 10455075), (3, 6970050), (5, 4182030), (6, 3485025), (9, 2323350), (10, 2091015), (15, 1394010), (18, 1161675), (25, 836406), (27, 774450), (30, 697005), (45, 464670), (50, 418203), (54, 387225), (75, 278802), (81, 258150), (90, 232335), (135, 154890), (150, 139401), (162, 129075), (225, 92934), (243, 86050), (270, 77445), (405, 51630), (450, 46467), (486, 43025), (675, 30978), (810, 25815), (1215, 17210), (1350, 15489), (1721, 12150), (2025, 10326), (2430, 8605), (3442, 6075), (4050, 5163)]