20030580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{433}}^1$

素因数の和:705

約数の個数: 72

約数和(自身を含む): 61136712

約数和(自身を除く): 41106132

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 257, 433, 514, 771, 866, 1028, 1285, 1299, 1542, 1732, 2165, 2313, 2570, 2598, 3084, 3855, 3897, 4330, 4626, 5140, 5196, 6495, 7710, 7794, 8660, 9252, 11565, 12990, 15420, 15588, 19485, 23130, 25980, 38970, 46260, 77940, 111281, 222562, 333843, 445124, 556405, 667686, 1001529, 1112810, 1335372, 1669215, 2003058, 2225620, 3338430, 4006116, 5007645, 6676860, 10015290, 20030580]

約数ペア:

[(1, 20030580), (2, 10015290), (3, 6676860), (4, 5007645), (5, 4006116), (6, 3338430), (9, 2225620), (10, 2003058), (12, 1669215), (15, 1335372), (18, 1112810), (20, 1001529), (30, 667686), (36, 556405), (45, 445124), (60, 333843), (90, 222562), (180, 111281), (257, 77940), (433, 46260), (514, 38970), (771, 25980), (866, 23130), (1028, 19485), (1285, 15588), (1299, 15420), (1542, 12990), (1732, 11565), (2165, 9252), (2313, 8660), (2570, 7794), (2598, 7710), (3084, 6495), (3855, 5196), (3897, 5140), (4330, 4626)]