20311020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1297}}^1$

素因数の和:1344

約数の個数: 96

約数和(自身を含む): 65419200

約数和(自身を除く): 45108180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 29, 30, 36, 45, 54, 58, 60, 87, 90, 108, 116, 135, 145, 174, 180, 261, 270, 290, 348, 435, 522, 540, 580, 783, 870, 1044, 1297, 1305, 1566, 1740, 2594, 2610, 3132, 3891, 3915, 5188, 5220, 6485, 7782, 7830, 11673, 12970, 15564, 15660, 19455, 23346, 25940, 35019, 37613, 38910, 46692, 58365, 70038, 75226, 77820, 112839, 116730, 140076, 150452, 175095, 188065, 225678, 233460, 338517, 350190, 376130, 451356, 564195, 677034, 700380, 752260, 1015551, 1128390, 1354068, 1692585, 2031102, 2256780, 3385170, 4062204, 5077755, 6770340, 10155510, 20311020]

約数ペア:

[(1, 20311020), (2, 10155510), (3, 6770340), (4, 5077755), (5, 4062204), (6, 3385170), (9, 2256780), (10, 2031102), (12, 1692585), (15, 1354068), (18, 1128390), (20, 1015551), (27, 752260), (29, 700380), (30, 677034), (36, 564195), (45, 451356), (54, 376130), (58, 350190), (60, 338517), (87, 233460), (90, 225678), (108, 188065), (116, 175095), (135, 150452), (145, 140076), (174, 116730), (180, 112839), (261, 77820), (270, 75226), (290, 70038), (348, 58365), (435, 46692), (522, 38910), (540, 37613), (580, 35019), (783, 25940), (870, 23346), (1044, 19455), (1297, 15660), (1305, 15564), (1566, 12970), (1740, 11673), (2594, 7830), (2610, 7782), (3132, 6485), (3891, 5220), (3915, 5188)]