20669976

素因数分解:

$2^3\times 3^2\times {\mathrm{37}}^1\times {\mathrm{7759}}^1$

素因数の和:7808

約数の個数: 48

約数和(自身を含む): 57501600

約数和(自身を除く): 36831624

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 37, 72, 74, 111, 148, 222, 296, 333, 444, 666, 888, 1332, 2664, 7759, 15518, 23277, 31036, 46554, 62072, 69831, 93108, 139662, 186216, 279324, 287083, 558648, 574166, 861249, 1148332, 1722498, 2296664, 2583747, 3444996, 5167494, 6889992, 10334988, 20669976]

約数ペア:

[(1, 20669976), (2, 10334988), (3, 6889992), (4, 5167494), (6, 3444996), (8, 2583747), (9, 2296664), (12, 1722498), (18, 1148332), (24, 861249), (36, 574166), (37, 558648), (72, 287083), (74, 279324), (111, 186216), (148, 139662), (222, 93108), (296, 69831), (333, 62072), (444, 46554), (666, 31036), (888, 23277), (1332, 15518), (2664, 7759)]