20837748

素因数分解:

$2^2\times 3^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{179}}^1$

素因数の和:384

約数の個数: 48

約数和(自身を含む): 49896000

約数和(自身を除く): 29058252

約数列:

[1, 2, 3, 4, 6, 12, 89, 109, 178, 179, 218, 267, 327, 356, 358, 436, 534, 537, 654, 716, 1068, 1074, 1308, 2148, 9701, 15931, 19402, 19511, 29103, 31862, 38804, 39022, 47793, 58206, 58533, 63724, 78044, 95586, 116412, 117066, 191172, 234132, 1736479, 3472958, 5209437, 6945916, 10418874, 20837748]

約数ペア:

[(1, 20837748), (2, 10418874), (3, 6945916), (4, 5209437), (6, 3472958), (12, 1736479), (89, 234132), (109, 191172), (178, 117066), (179, 116412), (218, 95586), (267, 78044), (327, 63724), (356, 58533), (358, 58206), (436, 47793), (534, 39022), (537, 38804), (654, 31862), (716, 29103), (1068, 19511), (1074, 19402), (1308, 15931), (2148, 9701)]