20544030

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1951}}^1$

素因数の和:1983

約数の個数: 80

約数和(自身を含む): 59520384

約数和(自身を除く): 38976354

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 78, 81, 90, 117, 130, 135, 162, 195, 234, 270, 351, 390, 405, 585, 702, 810, 1053, 1170, 1755, 1951, 2106, 3510, 3902, 5265, 5853, 9755, 10530, 11706, 17559, 19510, 25363, 29265, 35118, 50726, 52677, 58530, 76089, 87795, 105354, 126815, 152178, 158031, 175590, 228267, 253630, 263385, 316062, 380445, 456534, 526770, 684801, 760890, 790155, 1141335, 1369602, 1580310, 2054403, 2282670, 3424005, 4108806, 6848010, 10272015, 20544030]

約数ペア:

[(1, 20544030), (2, 10272015), (3, 6848010), (5, 4108806), (6, 3424005), (9, 2282670), (10, 2054403), (13, 1580310), (15, 1369602), (18, 1141335), (26, 790155), (27, 760890), (30, 684801), (39, 526770), (45, 456534), (54, 380445), (65, 316062), (78, 263385), (81, 253630), (90, 228267), (117, 175590), (130, 158031), (135, 152178), (162, 126815), (195, 105354), (234, 87795), (270, 76089), (351, 58530), (390, 52677), (405, 50726), (585, 35118), (702, 29265), (810, 25363), (1053, 19510), (1170, 17559), (1755, 11706), (1951, 10530), (2106, 9755), (3510, 5853), (3902, 5265)]