20558412

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{3547}}^1$

素因数の和:3587

約数の個数: 72

約数和(自身を含む): 61990656

約数和(自身を除く): 41432244

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 28, 36, 42, 46, 63, 69, 84, 92, 126, 138, 161, 207, 252, 276, 322, 414, 483, 644, 828, 966, 1449, 1932, 2898, 3547, 5796, 7094, 10641, 14188, 21282, 24829, 31923, 42564, 49658, 63846, 74487, 81581, 99316, 127692, 148974, 163162, 223461, 244743, 297948, 326324, 446922, 489486, 571067, 734229, 893844, 978972, 1142134, 1468458, 1713201, 2284268, 2936916, 3426402, 5139603, 6852804, 10279206, 20558412]

約数ペア:

[(1, 20558412), (2, 10279206), (3, 6852804), (4, 5139603), (6, 3426402), (7, 2936916), (9, 2284268), (12, 1713201), (14, 1468458), (18, 1142134), (21, 978972), (23, 893844), (28, 734229), (36, 571067), (42, 489486), (46, 446922), (63, 326324), (69, 297948), (84, 244743), (92, 223461), (126, 163162), (138, 148974), (161, 127692), (207, 99316), (252, 81581), (276, 74487), (322, 63846), (414, 49658), (483, 42564), (644, 31923), (828, 24829), (966, 21282), (1449, 14188), (1932, 10641), (2898, 7094), (3547, 5796)]