20149128874

素因数分解:

$2^1\times 7^1\times {\mathrm{181}}^2\times {\mathrm{197}}^1\times {\mathrm{223}}^1$

素因数の和:791

約数の個数: 48

約数和(自身を含む): 35066110464

約数和(自身を除く): 14916981590

約数列:

[1, 2, 7, 14, 181, 197, 223, 362, 394, 446, 1267, 1379, 1561, 2534, 2758, 3122, 32761, 35657, 40363, 43931, 65522, 71314, 80726, 87862, 229327, 249599, 282541, 307517, 458654, 499198, 565082, 615034, 6453917, 7305703, 7951511, 12907834, 14611406, 15903022, 45177419, 51139921, 55660577, 90354838, 102279842, 111321154, 1439223491, 2878446982, 10074564437, 20149128874]

約数ペア:

[(1, 20149128874), (2, 10074564437), (7, 2878446982), (14, 1439223491), (181, 111321154), (197, 102279842), (223, 90354838), (362, 55660577), (394, 51139921), (446, 45177419), (1267, 15903022), (1379, 14611406), (1561, 12907834), (2534, 7951511), (2758, 7305703), (3122, 6453917), (32761, 615034), (35657, 565082), (40363, 499198), (43931, 458654), (65522, 307517), (71314, 282541), (80726, 249599), (87862, 229327)]