20330804

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 40642560

約数和(自身を除く): 20311756

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 89, 92, 178, 191, 299, 356, 382, 598, 764, 1157, 1196, 2047, 2314, 2483, 4094, 4393, 4628, 4966, 8188, 8786, 9932, 16999, 17572, 26611, 33998, 53222, 57109, 67996, 106444, 114218, 220987, 228436, 390977, 441974, 781954, 883948, 1563908, 5082701, 10165402, 20330804]

約数ペア:

[(1, 20330804), (2, 10165402), (4, 5082701), (13, 1563908), (23, 883948), (26, 781954), (46, 441974), (52, 390977), (89, 228436), (92, 220987), (178, 114218), (191, 106444), (299, 67996), (356, 57109), (382, 53222), (598, 33998), (764, 26611), (1157, 17572), (1196, 16999), (2047, 9932), (2314, 8786), (2483, 8188), (4094, 4966), (4393, 4628)]