20356284540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{61141}}^1$

素因数の和:61363

約数の個数: 96

約数和(自身を含む): 59165890560

約数和(自身を除く): 38809606020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 179, 186, 310, 358, 372, 465, 537, 620, 716, 895, 930, 1074, 1790, 1860, 2148, 2685, 3580, 5370, 5549, 10740, 11098, 16647, 22196, 27745, 33294, 55490, 61141, 66588, 83235, 110980, 122282, 166470, 183423, 244564, 305705, 332940, 366846, 611410, 733692, 917115, 1222820, 1834230, 1895371, 3668460, 3790742, 5686113, 7581484, 9476855, 10944239, 11372226, 18953710, 21888478, 22744452, 28430565, 32832717, 37907420, 43776956, 54721195, 56861130, 65665434, 109442390, 113722260, 131330868, 164163585, 218884780, 328327170, 339271409, 656654340, 678542818, 1017814227, 1357085636, 1696357045, 2035628454, 3392714090, 4071256908, 5089071135, 6785428180, 10178142270, 20356284540]

約数ペア:

[(1, 20356284540), (2, 10178142270), (3, 6785428180), (4, 5089071135), (5, 4071256908), (6, 3392714090), (10, 2035628454), (12, 1696357045), (15, 1357085636), (20, 1017814227), (30, 678542818), (31, 656654340), (60, 339271409), (62, 328327170), (93, 218884780), (124, 164163585), (155, 131330868), (179, 113722260), (186, 109442390), (310, 65665434), (358, 56861130), (372, 54721195), (465, 43776956), (537, 37907420), (620, 32832717), (716, 28430565), (895, 22744452), (930, 21888478), (1074, 18953710), (1790, 11372226), (1860, 10944239), (2148, 9476855), (2685, 7581484), (3580, 5686113), (5370, 3790742), (5549, 3668460), (10740, 1895371), (11098, 1834230), (16647, 1222820), (22196, 917115), (27745, 733692), (33294, 611410), (55490, 366846), (61141, 332940), (66588, 305705), (83235, 244564), (110980, 183423), (122282, 166470)]