20429996940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{8179}}^1\times {\mathrm{13877}}^1$

素因数の和:22071

約数の個数: 72

約数和(自身を含む): 61983033840

約数和(自身を除く): 41553036900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 8179, 13877, 16358, 24537, 27754, 32716, 40895, 41631, 49074, 55508, 69385, 73611, 81790, 83262, 98148, 122685, 124893, 138770, 147222, 163580, 166524, 208155, 245370, 249786, 277540, 294444, 368055, 416310, 490740, 499572, 624465, 736110, 832620, 1248930, 1472220, 2497860, 113499983, 226999966, 340499949, 453999932, 567499915, 680999898, 1021499847, 1134999830, 1361999796, 1702499745, 2042999694, 2269999660, 3404999490, 4085999388, 5107499235, 6809998980, 10214998470, 20429996940]

約数ペア:

[(1, 20429996940), (2, 10214998470), (3, 6809998980), (4, 5107499235), (5, 4085999388), (6, 3404999490), (9, 2269999660), (10, 2042999694), (12, 1702499745), (15, 1361999796), (18, 1134999830), (20, 1021499847), (30, 680999898), (36, 567499915), (45, 453999932), (60, 340499949), (90, 226999966), (180, 113499983), (8179, 2497860), (13877, 1472220), (16358, 1248930), (24537, 832620), (27754, 736110), (32716, 624465), (40895, 499572), (41631, 490740), (49074, 416310), (55508, 368055), (69385, 294444), (73611, 277540), (81790, 249786), (83262, 245370), (98148, 208155), (122685, 166524), (124893, 163580), (138770, 147222)]