20619648

素因数分解:

$2^7\times 3^2\times 7^1\times {\mathrm{2557}}^1$

素因数の和:2584

約数の個数: 96

約数和(自身を含む): 67838160

約数和(自身を除く): 47218512

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 64, 72, 84, 96, 112, 126, 128, 144, 168, 192, 224, 252, 288, 336, 384, 448, 504, 576, 672, 896, 1008, 1152, 1344, 2016, 2557, 2688, 4032, 5114, 7671, 8064, 10228, 15342, 17899, 20456, 23013, 30684, 35798, 40912, 46026, 53697, 61368, 71596, 81824, 92052, 107394, 122736, 143192, 161091, 163648, 184104, 214788, 245472, 286384, 322182, 327296, 368208, 429576, 490944, 572768, 644364, 736416, 859152, 981888, 1145536, 1288728, 1472832, 1718304, 2291072, 2577456, 2945664, 3436608, 5154912, 6873216, 10309824, 20619648]

約数ペア:

[(1, 20619648), (2, 10309824), (3, 6873216), (4, 5154912), (6, 3436608), (7, 2945664), (8, 2577456), (9, 2291072), (12, 1718304), (14, 1472832), (16, 1288728), (18, 1145536), (21, 981888), (24, 859152), (28, 736416), (32, 644364), (36, 572768), (42, 490944), (48, 429576), (56, 368208), (63, 327296), (64, 322182), (72, 286384), (84, 245472), (96, 214788), (112, 184104), (126, 163648), (128, 161091), (144, 143192), (168, 122736), (192, 107394), (224, 92052), (252, 81824), (288, 71596), (336, 61368), (384, 53697), (448, 46026), (504, 40912), (576, 35798), (672, 30684), (896, 23013), (1008, 20456), (1152, 17899), (1344, 15342), (2016, 10228), (2557, 8064), (2688, 7671), (4032, 5114)]