20533049820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{509}}^1\times {\mathrm{13183}}^1$

素因数の和:13724

約数の個数: 144

約数和(自身を含む): 66081899520

約数和(自身を除く): 45548849700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 509, 510, 612, 765, 1018, 1020, 1527, 1530, 2036, 2545, 3054, 3060, 4581, 5090, 6108, 7635, 8653, 9162, 10180, 13183, 15270, 17306, 18324, 22905, 25959, 26366, 30540, 34612, 39549, 43265, 45810, 51918, 52732, 65915, 77877, 79098, 86530, 91620, 103836, 118647, 129795, 131830, 155754, 158196, 173060, 197745, 224111, 237294, 259590, 263660, 311508, 389385, 395490, 448222, 474588, 519180, 593235, 672333, 778770, 790980, 896444, 1120555, 1186470, 1344666, 1557540, 2016999, 2241110, 2372940, 2689332, 3361665, 4033998, 4482220, 6710147, 6723330, 8067996, 10084995, 13420294, 13446660, 20130441, 20169990, 26840588, 33550735, 40260882, 40339980, 60391323, 67101470, 80521764, 100652205, 114072499, 120782646, 134202940, 201304410, 228144998, 241565292, 301956615, 342217497, 402608820, 456289996, 570362495, 603913230, 684434994, 1026652491, 1140724990, 1207826460, 1368869988, 1711087485, 2053304982, 2281449980, 3422174970, 4106609964, 5133262455, 6844349940, 10266524910, 20533049820]

約数ペア:

[(1, 20533049820), (2, 10266524910), (3, 6844349940), (4, 5133262455), (5, 4106609964), (6, 3422174970), (9, 2281449980), (10, 2053304982), (12, 1711087485), (15, 1368869988), (17, 1207826460), (18, 1140724990), (20, 1026652491), (30, 684434994), (34, 603913230), (36, 570362495), (45, 456289996), (51, 402608820), (60, 342217497), (68, 301956615), (85, 241565292), (90, 228144998), (102, 201304410), (153, 134202940), (170, 120782646), (180, 114072499), (204, 100652205), (255, 80521764), (306, 67101470), (340, 60391323), (509, 40339980), (510, 40260882), (612, 33550735), (765, 26840588), (1018, 20169990), (1020, 20130441), (1527, 13446660), (1530, 13420294), (2036, 10084995), (2545, 8067996), (3054, 6723330), (3060, 6710147), (4581, 4482220), (5090, 4033998), (6108, 3361665), (7635, 2689332), (8653, 2372940), (9162, 2241110), (10180, 2016999), (13183, 1557540), (15270, 1344666), (17306, 1186470), (18324, 1120555), (22905, 896444), (25959, 790980), (26366, 778770), (30540, 672333), (34612, 593235), (39549, 519180), (43265, 474588), (45810, 448222), (51918, 395490), (52732, 389385), (65915, 311508), (77877, 263660), (79098, 259590), (86530, 237294), (91620, 224111), (103836, 197745), (118647, 173060), (129795, 158196), (131830, 155754)]