20566476

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:244

約数の個数: 108

約数和(自身を含む): 61621560

約数和(自身を除く): 41055084

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 89, 98, 126, 131, 147, 178, 196, 252, 262, 267, 294, 356, 393, 441, 524, 534, 588, 623, 786, 801, 882, 917, 1068, 1179, 1246, 1572, 1602, 1764, 1834, 1869, 2358, 2492, 2751, 3204, 3668, 3738, 4361, 4716, 5502, 5607, 6419, 7476, 8253, 8722, 11004, 11214, 11659, 12838, 13083, 16506, 17444, 19257, 22428, 23318, 25676, 26166, 33012, 34977, 38514, 39249, 46636, 52332, 57771, 69954, 77028, 78498, 81613, 104931, 115542, 139908, 156996, 163226, 209862, 231084, 244839, 326452, 419724, 489678, 571291, 734517, 979356, 1142582, 1469034, 1713873, 2285164, 2938068, 3427746, 5141619, 6855492, 10283238, 20566476]

約数ペア:

[(1, 20566476), (2, 10283238), (3, 6855492), (4, 5141619), (6, 3427746), (7, 2938068), (9, 2285164), (12, 1713873), (14, 1469034), (18, 1142582), (21, 979356), (28, 734517), (36, 571291), (42, 489678), (49, 419724), (63, 326452), (84, 244839), (89, 231084), (98, 209862), (126, 163226), (131, 156996), (147, 139908), (178, 115542), (196, 104931), (252, 81613), (262, 78498), (267, 77028), (294, 69954), (356, 57771), (393, 52332), (441, 46636), (524, 39249), (534, 38514), (588, 34977), (623, 33012), (786, 26166), (801, 25676), (882, 23318), (917, 22428), (1068, 19257), (1179, 17444), (1246, 16506), (1572, 13083), (1602, 12838), (1764, 11659), (1834, 11214), (1869, 11004), (2358, 8722), (2492, 8253), (2751, 7476), (3204, 6419), (3668, 5607), (3738, 5502), (4361, 4716)]