20668852542

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{521}}^1\times {\mathrm{2221}}^1$

素因数の和:2989

約数の個数: 64

約数和(自身を含む): 44817917760

約数和(自身を除く): 24149065218

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 229, 458, 521, 687, 1042, 1374, 1563, 2221, 2977, 3126, 4442, 5954, 6663, 6773, 8931, 13326, 13546, 17862, 20319, 28873, 40638, 57746, 86619, 119309, 173238, 238618, 357927, 508609, 715854, 1017218, 1157141, 1525827, 1551017, 2314282, 3051654, 3102034, 3471423, 4653051, 6611917, 6942846, 9306102, 13223834, 15042833, 19835751, 30085666, 39671502, 45128499, 90256998, 264985289, 529970578, 794955867, 1589911734, 3444808757, 6889617514, 10334426271, 20668852542]

約数ペア:

[(1, 20668852542), (2, 10334426271), (3, 6889617514), (6, 3444808757), (13, 1589911734), (26, 794955867), (39, 529970578), (78, 264985289), (229, 90256998), (458, 45128499), (521, 39671502), (687, 30085666), (1042, 19835751), (1374, 15042833), (1563, 13223834), (2221, 9306102), (2977, 6942846), (3126, 6611917), (4442, 4653051), (5954, 3471423), (6663, 3102034), (6773, 3051654), (8931, 2314282), (13326, 1551017), (13546, 1525827), (17862, 1157141), (20319, 1017218), (28873, 715854), (40638, 508609), (57746, 357927), (86619, 238618), (119309, 173238)]