20647050

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{59}}^1\times {\mathrm{2333}}^1$

素因数の和:2407

約数の個数: 48

約数和(自身を含む): 52094880

約数和(自身を除く): 31447830

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 59, 75, 118, 150, 177, 295, 354, 590, 885, 1475, 1770, 2333, 2950, 4425, 4666, 6999, 8850, 11665, 13998, 23330, 34995, 58325, 69990, 116650, 137647, 174975, 275294, 349950, 412941, 688235, 825882, 1376470, 2064705, 3441175, 4129410, 6882350, 10323525, 20647050]

約数ペア:

[(1, 20647050), (2, 10323525), (3, 6882350), (5, 4129410), (6, 3441175), (10, 2064705), (15, 1376470), (25, 825882), (30, 688235), (50, 412941), (59, 349950), (75, 275294), (118, 174975), (150, 137647), (177, 116650), (295, 69990), (354, 58325), (590, 34995), (885, 23330), (1475, 13998), (1770, 11665), (2333, 8850), (2950, 6999), (4425, 4666)]