20686443390

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{503}}^1\times {\mathrm{50773}}^1$

素因数の和:51295

約数の個数: 80

約数和(自身を含む): 55735229088

約数和(自身を除く): 35048785698

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 503, 810, 1006, 1509, 2515, 3018, 4527, 5030, 7545, 9054, 13581, 15090, 22635, 27162, 40743, 45270, 50773, 67905, 81486, 101546, 135810, 152319, 203715, 253865, 304638, 407430, 456957, 507730, 761595, 913914, 1370871, 1523190, 2284785, 2741742, 4112613, 4569570, 6854355, 8225226, 13708710, 20563065, 25538819, 41126130, 51077638, 76616457, 127694095, 153232914, 229849371, 255388190, 383082285, 459698742, 689548113, 766164570, 1149246855, 1379096226, 2068644339, 2298493710, 3447740565, 4137288678, 6895481130, 10343221695, 20686443390]

約数ペア:

[(1, 20686443390), (2, 10343221695), (3, 6895481130), (5, 4137288678), (6, 3447740565), (9, 2298493710), (10, 2068644339), (15, 1379096226), (18, 1149246855), (27, 766164570), (30, 689548113), (45, 459698742), (54, 383082285), (81, 255388190), (90, 229849371), (135, 153232914), (162, 127694095), (270, 76616457), (405, 51077638), (503, 41126130), (810, 25538819), (1006, 20563065), (1509, 13708710), (2515, 8225226), (3018, 6854355), (4527, 4569570), (5030, 4112613), (7545, 2741742), (9054, 2284785), (13581, 1523190), (15090, 1370871), (22635, 913914), (27162, 761595), (40743, 507730), (45270, 456957), (50773, 407430), (67905, 304638), (81486, 253865), (101546, 203715), (135810, 152319)]