20888010

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{541}}^1$

素因数の和:581

約数の個数: 128

約数和(自身を含む): 65560320

約数和(自身を除く): 44672310

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 13, 15, 18, 22, 26, 27, 30, 33, 39, 45, 54, 55, 65, 66, 78, 90, 99, 110, 117, 130, 135, 143, 165, 195, 198, 234, 270, 286, 297, 330, 351, 390, 429, 495, 541, 585, 594, 702, 715, 858, 990, 1082, 1170, 1287, 1430, 1485, 1623, 1755, 2145, 2574, 2705, 2970, 3246, 3510, 3861, 4290, 4869, 5410, 5951, 6435, 7033, 7722, 8115, 9738, 11902, 12870, 14066, 14607, 16230, 17853, 19305, 21099, 24345, 29214, 29755, 35165, 35706, 38610, 42198, 48690, 53559, 59510, 63297, 70330, 73035, 77363, 89265, 105495, 107118, 126594, 146070, 154726, 160677, 178530, 189891, 210990, 232089, 267795, 316485, 321354, 379782, 386815, 464178, 535590, 632970, 696267, 773630, 803385, 949455, 1160445, 1392534, 1606770, 1898910, 2088801, 2320890, 3481335, 4177602, 6962670, 10444005, 20888010]

約数ペア:

[(1, 20888010), (2, 10444005), (3, 6962670), (5, 4177602), (6, 3481335), (9, 2320890), (10, 2088801), (11, 1898910), (13, 1606770), (15, 1392534), (18, 1160445), (22, 949455), (26, 803385), (27, 773630), (30, 696267), (33, 632970), (39, 535590), (45, 464178), (54, 386815), (55, 379782), (65, 321354), (66, 316485), (78, 267795), (90, 232089), (99, 210990), (110, 189891), (117, 178530), (130, 160677), (135, 154726), (143, 146070), (165, 126594), (195, 107118), (198, 105495), (234, 89265), (270, 77363), (286, 73035), (297, 70330), (330, 63297), (351, 59510), (390, 53559), (429, 48690), (495, 42198), (541, 38610), (585, 35706), (594, 35165), (702, 29755), (715, 29214), (858, 24345), (990, 21099), (1082, 19305), (1170, 17853), (1287, 16230), (1430, 14607), (1485, 14066), (1623, 12870), (1755, 11902), (2145, 9738), (2574, 8115), (2705, 7722), (2970, 7033), (3246, 6435), (3510, 5951), (3861, 5410), (4290, 4869)]