20213024125

素因数分解:

$5^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{607}}^1\times {\mathrm{2003}}^1$

素因数の和:2651

約数の個数: 64

約数和(自身を含む): 30412062720

約数和(自身を除く): 10199038595

約数列:

[1, 5, 7, 19, 25, 35, 95, 125, 133, 175, 475, 607, 665, 875, 2003, 2375, 3035, 3325, 4249, 10015, 11533, 14021, 15175, 16625, 21245, 38057, 50075, 57665, 70105, 75875, 80731, 106225, 190285, 250375, 266399, 288325, 350525, 403655, 531125, 951425, 1215821, 1331995, 1441625, 1752625, 2018275, 4757125, 6079105, 6659975, 8510747, 10091375, 23100599, 30395525, 33299875, 42553735, 115502995, 151977625, 161704193, 212768675, 577514975, 808520965, 1063843375, 2887574875, 4042604825, 20213024125]

約数ペア:

[(1, 20213024125), (5, 4042604825), (7, 2887574875), (19, 1063843375), (25, 808520965), (35, 577514975), (95, 212768675), (125, 161704193), (133, 151977625), (175, 115502995), (475, 42553735), (607, 33299875), (665, 30395525), (875, 23100599), (2003, 10091375), (2375, 8510747), (3035, 6659975), (3325, 6079105), (4249, 4757125), (10015, 2018275), (11533, 1752625), (14021, 1441625), (15175, 1331995), (16625, 1215821), (21245, 951425), (38057, 531125), (50075, 403655), (57665, 350525), (70105, 288325), (75875, 266399), (80731, 250375), (106225, 190285)]