20655244740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{372973}}^1$

素因数の和:373069

約数の個数: 96

約数和(自身を含む): 63160909056

約数和(自身を除く): 42505664316

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 71, 78, 130, 142, 156, 195, 213, 260, 284, 355, 390, 426, 710, 780, 852, 923, 1065, 1420, 1846, 2130, 2769, 3692, 4260, 4615, 5538, 9230, 11076, 13845, 18460, 27690, 55380, 372973, 745946, 1118919, 1491892, 1864865, 2237838, 3729730, 4475676, 4848649, 5594595, 7459460, 9697298, 11189190, 14545947, 19394596, 22378380, 24243245, 26481083, 29091894, 48486490, 52962166, 58183788, 72729735, 79443249, 96972980, 105924332, 132405415, 145459470, 158886498, 264810830, 290918940, 317772996, 344254079, 397216245, 529621660, 688508158, 794432490, 1032762237, 1377016316, 1588864980, 1721270395, 2065524474, 3442540790, 4131048948, 5163811185, 6885081580, 10327622370, 20655244740]

約数ペア:

[(1, 20655244740), (2, 10327622370), (3, 6885081580), (4, 5163811185), (5, 4131048948), (6, 3442540790), (10, 2065524474), (12, 1721270395), (13, 1588864980), (15, 1377016316), (20, 1032762237), (26, 794432490), (30, 688508158), (39, 529621660), (52, 397216245), (60, 344254079), (65, 317772996), (71, 290918940), (78, 264810830), (130, 158886498), (142, 145459470), (156, 132405415), (195, 105924332), (213, 96972980), (260, 79443249), (284, 72729735), (355, 58183788), (390, 52962166), (426, 48486490), (710, 29091894), (780, 26481083), (852, 24243245), (923, 22378380), (1065, 19394596), (1420, 14545947), (1846, 11189190), (2130, 9697298), (2769, 7459460), (3692, 5594595), (4260, 4848649), (4615, 4475676), (5538, 3729730), (9230, 2237838), (11076, 1864865), (13845, 1491892), (18460, 1118919), (27690, 745946), (55380, 372973)]