20996914140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1061}}^1\times {\mathrm{109943}}^1$

素因数の和:111019

約数の個数: 72

約数和(自身を含む): 63751248288

約数和(自身を除く): 42754334148

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1061, 2122, 3183, 4244, 5305, 6366, 9549, 10610, 12732, 15915, 19098, 21220, 31830, 38196, 47745, 63660, 95490, 109943, 190980, 219886, 329829, 439772, 549715, 659658, 989487, 1099430, 1319316, 1649145, 1978974, 2198860, 3298290, 3957948, 4947435, 6596580, 9894870, 19789740, 116649523, 233299046, 349948569, 466598092, 583247615, 699897138, 1049845707, 1166495230, 1399794276, 1749742845, 2099691414, 2332990460, 3499485690, 4199382828, 5249228535, 6998971380, 10498457070, 20996914140]

約数ペア:

[(1, 20996914140), (2, 10498457070), (3, 6998971380), (4, 5249228535), (5, 4199382828), (6, 3499485690), (9, 2332990460), (10, 2099691414), (12, 1749742845), (15, 1399794276), (18, 1166495230), (20, 1049845707), (30, 699897138), (36, 583247615), (45, 466598092), (60, 349948569), (90, 233299046), (180, 116649523), (1061, 19789740), (2122, 9894870), (3183, 6596580), (4244, 4947435), (5305, 3957948), (6366, 3298290), (9549, 2198860), (10610, 1978974), (12732, 1649145), (15915, 1319316), (19098, 1099430), (21220, 989487), (31830, 659658), (38196, 549715), (47745, 439772), (63660, 329829), (95490, 219886), (109943, 190980)]