20330988

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{3877}}^1$

素因数の和:3926

約数の個数: 48

約数和(自身を含む): 52120320

約数和(自身を除く): 31789332

約数列:

[1, 2, 3, 4, 6, 12, 19, 23, 38, 46, 57, 69, 76, 92, 114, 138, 228, 276, 437, 874, 1311, 1748, 2622, 3877, 5244, 7754, 11631, 15508, 23262, 46524, 73663, 89171, 147326, 178342, 220989, 267513, 294652, 356684, 441978, 535026, 883956, 1070052, 1694249, 3388498, 5082747, 6776996, 10165494, 20330988]

約数ペア:

[(1, 20330988), (2, 10165494), (3, 6776996), (4, 5082747), (6, 3388498), (12, 1694249), (19, 1070052), (23, 883956), (38, 535026), (46, 441978), (57, 356684), (69, 294652), (76, 267513), (92, 220989), (114, 178342), (138, 147326), (228, 89171), (276, 73663), (437, 46524), (874, 23262), (1311, 15508), (1748, 11631), (2622, 7754), (3877, 5244)]