20415510

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{911}}^1$

素因数の和:1010

約数の個数: 64

約数和(自身を含む): 55157760

約数和(自身を除く): 34742250

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 83, 90, 135, 166, 249, 270, 415, 498, 747, 830, 911, 1245, 1494, 1822, 2241, 2490, 2733, 3735, 4482, 4555, 5466, 7470, 8199, 9110, 11205, 13665, 16398, 22410, 24597, 27330, 40995, 49194, 75613, 81990, 122985, 151226, 226839, 245970, 378065, 453678, 680517, 756130, 1134195, 1361034, 2041551, 2268390, 3402585, 4083102, 6805170, 10207755, 20415510]

約数ペア:

[(1, 20415510), (2, 10207755), (3, 6805170), (5, 4083102), (6, 3402585), (9, 2268390), (10, 2041551), (15, 1361034), (18, 1134195), (27, 756130), (30, 680517), (45, 453678), (54, 378065), (83, 245970), (90, 226839), (135, 151226), (166, 122985), (249, 81990), (270, 75613), (415, 49194), (498, 40995), (747, 27330), (830, 24597), (911, 22410), (1245, 16398), (1494, 13665), (1822, 11205), (2241, 9110), (2490, 8199), (2733, 7470), (3735, 5466), (4482, 4555)]