20269935

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{281}}^1$

素因数の和:528

約数の個数: 48

約数和(自身を含む): 40472640

約数和(自身を除く): 20202705

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 229, 281, 315, 687, 843, 1145, 1405, 1603, 1967, 2061, 2529, 3435, 4215, 4809, 5901, 8015, 9835, 10305, 12645, 14427, 17703, 24045, 29505, 64349, 72135, 88515, 193047, 321745, 450443, 579141, 965235, 1351329, 2252215, 2895705, 4053987, 6756645, 20269935]

約数ペア:

[(1, 20269935), (3, 6756645), (5, 4053987), (7, 2895705), (9, 2252215), (15, 1351329), (21, 965235), (35, 579141), (45, 450443), (63, 321745), (105, 193047), (229, 88515), (281, 72135), (315, 64349), (687, 29505), (843, 24045), (1145, 17703), (1405, 14427), (1603, 12645), (1967, 10305), (2061, 9835), (2529, 8015), (3435, 5901), (4215, 4809)]