20557476

素因数分解:

$2^2\times 3^4\times {\mathrm{67}}^1\times {\mathrm{947}}^1$

素因数の和:1030

約数の個数: 60

約数和(自身を含む): 54601008

約数和(自身を除く): 34043532

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 67, 81, 108, 134, 162, 201, 268, 324, 402, 603, 804, 947, 1206, 1809, 1894, 2412, 2841, 3618, 3788, 5427, 5682, 7236, 8523, 10854, 11364, 17046, 21708, 25569, 34092, 51138, 63449, 76707, 102276, 126898, 153414, 190347, 253796, 306828, 380694, 571041, 761388, 1142082, 1713123, 2284164, 3426246, 5139369, 6852492, 10278738, 20557476]

約数ペア:

[(1, 20557476), (2, 10278738), (3, 6852492), (4, 5139369), (6, 3426246), (9, 2284164), (12, 1713123), (18, 1142082), (27, 761388), (36, 571041), (54, 380694), (67, 306828), (81, 253796), (108, 190347), (134, 153414), (162, 126898), (201, 102276), (268, 76707), (324, 63449), (402, 51138), (603, 34092), (804, 25569), (947, 21708), (1206, 17046), (1809, 11364), (1894, 10854), (2412, 8523), (2841, 7236), (3618, 5682), (3788, 5427)]