20296810

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1$

素因数の和:255

約数の個数: 64

約数和(自身を含む): 41990400

約数和(自身を除く): 21693590

約数列:

[1, 2, 5, 10, 17, 23, 29, 34, 46, 58, 85, 115, 145, 170, 179, 230, 290, 358, 391, 493, 667, 782, 895, 986, 1334, 1790, 1955, 2465, 3043, 3335, 3910, 4117, 4930, 5191, 6086, 6670, 8234, 10382, 11339, 15215, 20585, 22678, 25955, 30430, 41170, 51910, 56695, 69989, 88247, 113390, 119393, 139978, 176494, 238786, 349945, 441235, 596965, 699890, 882470, 1193930, 2029681, 4059362, 10148405, 20296810]

約数ペア:

[(1, 20296810), (2, 10148405), (5, 4059362), (10, 2029681), (17, 1193930), (23, 882470), (29, 699890), (34, 596965), (46, 441235), (58, 349945), (85, 238786), (115, 176494), (145, 139978), (170, 119393), (179, 113390), (230, 88247), (290, 69989), (358, 56695), (391, 51910), (493, 41170), (667, 30430), (782, 25955), (895, 22678), (986, 20585), (1334, 15215), (1790, 11339), (1955, 10382), (2465, 8234), (3043, 6670), (3335, 6086), (3910, 5191), (4117, 4930)]