20028999310

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{367}}^1\times {\mathrm{1279}}^1$

素因数の和:1921

約数の個数: 64

約数和(自身を含む): 38459473920

約数和(自身を除く): 18430474610

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 251, 367, 502, 734, 1255, 1279, 1835, 2510, 2558, 3670, 4267, 6239, 6395, 8534, 12478, 12790, 21335, 21743, 31195, 42670, 43486, 62390, 92117, 108715, 184234, 217430, 321029, 460585, 469393, 642058, 921170, 938786, 1565989, 1605145, 2346965, 3131978, 3210290, 4693930, 5457493, 7829945, 7979681, 10914986, 15659890, 15959362, 27287465, 39898405, 54574930, 79796810, 117817643, 235635286, 589088215, 1178176430, 2002899931, 4005799862, 10014499655, 20028999310]

約数ペア:

[(1, 20028999310), (2, 10014499655), (5, 4005799862), (10, 2002899931), (17, 1178176430), (34, 589088215), (85, 235635286), (170, 117817643), (251, 79796810), (367, 54574930), (502, 39898405), (734, 27287465), (1255, 15959362), (1279, 15659890), (1835, 10914986), (2510, 7979681), (2558, 7829945), (3670, 5457493), (4267, 4693930), (6239, 3210290), (6395, 3131978), (8534, 2346965), (12478, 1605145), (12790, 1565989), (21335, 938786), (21743, 921170), (31195, 642058), (42670, 469393), (43486, 460585), (62390, 321029), (92117, 217430), (108715, 184234)]