20001735

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1$

素因数の和:190

約数の個数: 80

約数和(自身を含む): 40249440

約数和(自身を除く): 20247705

約数列:

[1, 3, 5, 9, 13, 15, 27, 29, 39, 45, 65, 81, 87, 117, 131, 135, 145, 195, 261, 351, 377, 393, 405, 435, 585, 655, 783, 1053, 1131, 1179, 1305, 1703, 1755, 1885, 1965, 2349, 3393, 3537, 3799, 3915, 5109, 5265, 5655, 5895, 8515, 10179, 10611, 11397, 11745, 15327, 16965, 17685, 18995, 25545, 30537, 34191, 45981, 49387, 50895, 53055, 56985, 76635, 102573, 137943, 148161, 152685, 170955, 229905, 246935, 307719, 444483, 512865, 689715, 740805, 1333449, 1538595, 2222415, 4000347, 6667245, 20001735]

約数ペア:

[(1, 20001735), (3, 6667245), (5, 4000347), (9, 2222415), (13, 1538595), (15, 1333449), (27, 740805), (29, 689715), (39, 512865), (45, 444483), (65, 307719), (81, 246935), (87, 229905), (117, 170955), (131, 152685), (135, 148161), (145, 137943), (195, 102573), (261, 76635), (351, 56985), (377, 53055), (393, 50895), (405, 49387), (435, 45981), (585, 34191), (655, 30537), (783, 25545), (1053, 18995), (1131, 17685), (1179, 16965), (1305, 15327), (1703, 11745), (1755, 11397), (1885, 10611), (1965, 10179), (2349, 8515), (3393, 5895), (3537, 5655), (3799, 5265), (3915, 5109)]