20002518

素因数分解:

$2^1\times 3^3\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{241}}^1$

素因数の和:334

約数の個数: 64

約数和(自身を含む): 47044800

約数和(自身を除く): 27042282

約数列:

[1, 2, 3, 6, 9, 18, 27, 29, 53, 54, 58, 87, 106, 159, 174, 241, 261, 318, 477, 482, 522, 723, 783, 954, 1431, 1446, 1537, 1566, 2169, 2862, 3074, 4338, 4611, 6507, 6989, 9222, 12773, 13014, 13833, 13978, 20967, 25546, 27666, 38319, 41499, 41934, 62901, 76638, 82998, 114957, 125802, 188703, 229914, 344871, 370417, 377406, 689742, 740834, 1111251, 2222502, 3333753, 6667506, 10001259, 20002518]

約数ペア:

[(1, 20002518), (2, 10001259), (3, 6667506), (6, 3333753), (9, 2222502), (18, 1111251), (27, 740834), (29, 689742), (53, 377406), (54, 370417), (58, 344871), (87, 229914), (106, 188703), (159, 125802), (174, 114957), (241, 82998), (261, 76638), (318, 62901), (477, 41934), (482, 41499), (522, 38319), (723, 27666), (783, 25546), (954, 20967), (1431, 13978), (1446, 13833), (1537, 13014), (1566, 12773), (2169, 9222), (2862, 6989), (3074, 6507), (4338, 4611)]