20057180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{7013}}^1$

素因数の和:7046

約数の個数: 48

約数和(自身を含む): 49490784

約数和(自身を除く): 29433604

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 7013, 14026, 28052, 35065, 70130, 77143, 91169, 140260, 154286, 182338, 308572, 364676, 385715, 455845, 771430, 911690, 1002859, 1542860, 1823380, 2005718, 4011436, 5014295, 10028590, 20057180]

約数ペア:

[(1, 20057180), (2, 10028590), (4, 5014295), (5, 4011436), (10, 2005718), (11, 1823380), (13, 1542860), (20, 1002859), (22, 911690), (26, 771430), (44, 455845), (52, 385715), (55, 364676), (65, 308572), (110, 182338), (130, 154286), (143, 140260), (220, 91169), (260, 77143), (286, 70130), (572, 35065), (715, 28052), (1430, 14026), (2860, 7013)]