20148904860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{6853369}}^1$

素因数の和:6853395

約数の個数: 72

約数和(自身を含む): 65627871120

約数和(自身を除く): 45478966260

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 6853369, 13706738, 20560107, 27413476, 34266845, 41120214, 47973583, 68533690, 82240428, 95947166, 102800535, 137067380, 143920749, 191894332, 205601070, 239867915, 287841498, 335815081, 411202140, 479735830, 575682996, 671630162, 719603745, 959471660, 1007445243, 1343260324, 1439207490, 1679075405, 2014890486, 2878414980, 3358150810, 4029780972, 5037226215, 6716301620, 10074452430, 20148904860]

約数ペア:

[(1, 20148904860), (2, 10074452430), (3, 6716301620), (4, 5037226215), (5, 4029780972), (6, 3358150810), (7, 2878414980), (10, 2014890486), (12, 1679075405), (14, 1439207490), (15, 1343260324), (20, 1007445243), (21, 959471660), (28, 719603745), (30, 671630162), (35, 575682996), (42, 479735830), (49, 411202140), (60, 335815081), (70, 287841498), (84, 239867915), (98, 205601070), (105, 191894332), (140, 143920749), (147, 137067380), (196, 102800535), (210, 95947166), (245, 82240428), (294, 68533690), (420, 47973583), (490, 41120214), (588, 34266845), (735, 27413476), (980, 20560107), (1470, 13706738), (2940, 6853369)]