20833020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{307}}^1$

素因数の和:364

約数の個数: 144

約数和(自身を含む): 70630560

約数和(自身を除く): 49797540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 29, 30, 36, 39, 45, 52, 58, 60, 65, 78, 87, 90, 116, 117, 130, 145, 156, 174, 180, 195, 234, 260, 261, 290, 307, 348, 377, 390, 435, 468, 522, 580, 585, 614, 754, 780, 870, 921, 1044, 1131, 1170, 1228, 1305, 1508, 1535, 1740, 1842, 1885, 2262, 2340, 2610, 2763, 3070, 3393, 3684, 3770, 3991, 4524, 4605, 5220, 5526, 5655, 6140, 6786, 7540, 7982, 8903, 9210, 11052, 11310, 11973, 13572, 13815, 15964, 16965, 17806, 18420, 19955, 22620, 23946, 26709, 27630, 33930, 35612, 35919, 39910, 44515, 47892, 53418, 55260, 59865, 67860, 71838, 79820, 80127, 89030, 106836, 115739, 119730, 133545, 143676, 160254, 178060, 179595, 231478, 239460, 267090, 320508, 347217, 359190, 400635, 462956, 534180, 578695, 694434, 718380, 801270, 1041651, 1157390, 1388868, 1602540, 1736085, 2083302, 2314780, 3472170, 4166604, 5208255, 6944340, 10416510, 20833020]

約数ペア:

[(1, 20833020), (2, 10416510), (3, 6944340), (4, 5208255), (5, 4166604), (6, 3472170), (9, 2314780), (10, 2083302), (12, 1736085), (13, 1602540), (15, 1388868), (18, 1157390), (20, 1041651), (26, 801270), (29, 718380), (30, 694434), (36, 578695), (39, 534180), (45, 462956), (52, 400635), (58, 359190), (60, 347217), (65, 320508), (78, 267090), (87, 239460), (90, 231478), (116, 179595), (117, 178060), (130, 160254), (145, 143676), (156, 133545), (174, 119730), (180, 115739), (195, 106836), (234, 89030), (260, 80127), (261, 79820), (290, 71838), (307, 67860), (348, 59865), (377, 55260), (390, 53418), (435, 47892), (468, 44515), (522, 39910), (580, 35919), (585, 35612), (614, 33930), (754, 27630), (780, 26709), (870, 23946), (921, 22620), (1044, 19955), (1131, 18420), (1170, 17806), (1228, 16965), (1305, 15964), (1508, 13815), (1535, 13572), (1740, 11973), (1842, 11310), (1885, 11052), (2262, 9210), (2340, 8903), (2610, 7982), (2763, 7540), (3070, 6786), (3393, 6140), (3684, 5655), (3770, 5526), (3991, 5220), (4524, 4605)]