20000340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{4831}}^1$

素因数の和:4869

約数の個数: 72

約数和(自身を含む): 63318528

約数和(自身を除く): 43318188

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 4831, 9662, 14493, 19324, 24155, 28986, 43479, 48310, 57972, 72465, 86958, 96620, 111113, 144930, 173916, 217395, 222226, 289860, 333339, 434790, 444452, 555565, 666678, 869580, 1000017, 1111130, 1333356, 1666695, 2000034, 2222260, 3333390, 4000068, 5000085, 6666780, 10000170, 20000340]

約数ペア:

[(1, 20000340), (2, 10000170), (3, 6666780), (4, 5000085), (5, 4000068), (6, 3333390), (9, 2222260), (10, 2000034), (12, 1666695), (15, 1333356), (18, 1111130), (20, 1000017), (23, 869580), (30, 666678), (36, 555565), (45, 444452), (46, 434790), (60, 333339), (69, 289860), (90, 222226), (92, 217395), (115, 173916), (138, 144930), (180, 111113), (207, 96620), (230, 86958), (276, 72465), (345, 57972), (414, 48310), (460, 43479), (690, 28986), (828, 24155), (1035, 19324), (1380, 14493), (2070, 9662), (4140, 4831)]