20123986140

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{1409}}^1\times {\mathrm{26449}}^1$

素因数の和:27876

約数の個数: 96

約数和(自身を含む): 62654760000

約数和(自身を除く): 42530773860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 1409, 2818, 4227, 5636, 7045, 8454, 12681, 14090, 16908, 21135, 25362, 26449, 28180, 38043, 42270, 50724, 52898, 63405, 76086, 79347, 84540, 105796, 126810, 132245, 152172, 158694, 190215, 238041, 253620, 264490, 317388, 380430, 396735, 476082, 528980, 714123, 760860, 793470, 952164, 1190205, 1428246, 1586940, 2380410, 2856492, 3570615, 4760820, 7141230, 14282460, 37266641, 74533282, 111799923, 149066564, 186333205, 223599846, 335399769, 372666410, 447199692, 558999615, 670799538, 745332820, 1006199307, 1117999230, 1341599076, 1676998845, 2012398614, 2235998460, 3353997690, 4024797228, 5030996535, 6707995380, 10061993070, 20123986140]

約数ペア:

[(1, 20123986140), (2, 10061993070), (3, 6707995380), (4, 5030996535), (5, 4024797228), (6, 3353997690), (9, 2235998460), (10, 2012398614), (12, 1676998845), (15, 1341599076), (18, 1117999230), (20, 1006199307), (27, 745332820), (30, 670799538), (36, 558999615), (45, 447199692), (54, 372666410), (60, 335399769), (90, 223599846), (108, 186333205), (135, 149066564), (180, 111799923), (270, 74533282), (540, 37266641), (1409, 14282460), (2818, 7141230), (4227, 4760820), (5636, 3570615), (7045, 2856492), (8454, 2380410), (12681, 1586940), (14090, 1428246), (16908, 1190205), (21135, 952164), (25362, 793470), (26449, 760860), (28180, 714123), (38043, 528980), (42270, 476082), (50724, 396735), (52898, 380430), (63405, 317388), (76086, 264490), (79347, 253620), (84540, 238041), (105796, 190215), (126810, 158694), (132245, 152172)]