20903030

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{2999}}^1$

素因数の和:3064

約数の個数: 32

約数和(自身を含む): 40824000

約数和(自身を除く): 19920970

約数列:

[1, 2, 5, 10, 17, 34, 41, 82, 85, 170, 205, 410, 697, 1394, 2999, 3485, 5998, 6970, 14995, 29990, 50983, 101966, 122959, 245918, 254915, 509830, 614795, 1229590, 2090303, 4180606, 10451515, 20903030]

約数ペア:

[(1, 20903030), (2, 10451515), (5, 4180606), (10, 2090303), (17, 1229590), (34, 614795), (41, 509830), (82, 254915), (85, 245918), (170, 122959), (205, 101966), (410, 50983), (697, 29990), (1394, 14995), (2999, 6970), (3485, 5998)]