20131489140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2522743}}^1$

素因数の和:2522781

約数の個数: 96

約数和(自身を含む): 67811358720

約数和(自身を除く): 47679869580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2660, 3990, 7980, 2522743, 5045486, 7568229, 10090972, 12613715, 15136458, 17659201, 25227430, 30272916, 35318402, 37841145, 47932117, 50454860, 52977603, 70636804, 75682290, 88296005, 95864234, 105955206, 143796351, 151364580, 176592010, 191728468, 211910412, 239660585, 264888015, 287592702, 335524819, 353184020, 479321170, 529776030, 575185404, 671049638, 718981755, 958642340, 1006574457, 1059552060, 1342099276, 1437963510, 1677624095, 2013148914, 2875927020, 3355248190, 4026297828, 5032872285, 6710496380, 10065744570, 20131489140]

約数ペア:

[(1, 20131489140), (2, 10065744570), (3, 6710496380), (4, 5032872285), (5, 4026297828), (6, 3355248190), (7, 2875927020), (10, 2013148914), (12, 1677624095), (14, 1437963510), (15, 1342099276), (19, 1059552060), (20, 1006574457), (21, 958642340), (28, 718981755), (30, 671049638), (35, 575185404), (38, 529776030), (42, 479321170), (57, 353184020), (60, 335524819), (70, 287592702), (76, 264888015), (84, 239660585), (95, 211910412), (105, 191728468), (114, 176592010), (133, 151364580), (140, 143796351), (190, 105955206), (210, 95864234), (228, 88296005), (266, 75682290), (285, 70636804), (380, 52977603), (399, 50454860), (420, 47932117), (532, 37841145), (570, 35318402), (665, 30272916), (798, 25227430), (1140, 17659201), (1330, 15136458), (1596, 12613715), (1995, 10090972), (2660, 7568229), (3990, 5045486), (7980, 2522743)]