20120760

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5081}}^1$

素因数の和:5109

約数の個数: 96

約数和(自身を含む): 71351280

約数和(自身を除く): 51230520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 198, 220, 264, 330, 360, 396, 440, 495, 660, 792, 990, 1320, 1980, 3960, 5081, 10162, 15243, 20324, 25405, 30486, 40648, 45729, 50810, 55891, 60972, 76215, 91458, 101620, 111782, 121944, 152430, 167673, 182916, 203240, 223564, 228645, 279455, 304860, 335346, 365832, 447128, 457290, 503019, 558910, 609720, 670692, 838365, 914580, 1006038, 1117820, 1341384, 1676730, 1829160, 2012076, 2235640, 2515095, 3353460, 4024152, 5030190, 6706920, 10060380, 20120760]

約数ペア:

[(1, 20120760), (2, 10060380), (3, 6706920), (4, 5030190), (5, 4024152), (6, 3353460), (8, 2515095), (9, 2235640), (10, 2012076), (11, 1829160), (12, 1676730), (15, 1341384), (18, 1117820), (20, 1006038), (22, 914580), (24, 838365), (30, 670692), (33, 609720), (36, 558910), (40, 503019), (44, 457290), (45, 447128), (55, 365832), (60, 335346), (66, 304860), (72, 279455), (88, 228645), (90, 223564), (99, 203240), (110, 182916), (120, 167673), (132, 152430), (165, 121944), (180, 111782), (198, 101620), (220, 91458), (264, 76215), (330, 60972), (360, 55891), (396, 50810), (440, 45729), (495, 40648), (660, 30486), (792, 25405), (990, 20324), (1320, 15243), (1980, 10162), (3960, 5081)]