20653626

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{547}}^1$

素因数の和:619

約数の個数: 64

約数和(自身を含む): 50503680

約数和(自身を除く): 29850054

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 31, 42, 58, 62, 87, 93, 174, 186, 203, 217, 406, 434, 547, 609, 651, 899, 1094, 1218, 1302, 1641, 1798, 2697, 3282, 3829, 5394, 6293, 7658, 11487, 12586, 15863, 16957, 18879, 22974, 31726, 33914, 37758, 47589, 50871, 95178, 101742, 111041, 118699, 222082, 237398, 333123, 356097, 491753, 666246, 712194, 983506, 1475259, 2950518, 3442271, 6884542, 10326813, 20653626]

約数ペア:

[(1, 20653626), (2, 10326813), (3, 6884542), (6, 3442271), (7, 2950518), (14, 1475259), (21, 983506), (29, 712194), (31, 666246), (42, 491753), (58, 356097), (62, 333123), (87, 237398), (93, 222082), (174, 118699), (186, 111041), (203, 101742), (217, 95178), (406, 50871), (434, 47589), (547, 37758), (609, 33914), (651, 31726), (899, 22974), (1094, 18879), (1218, 16957), (1302, 15863), (1641, 12586), (1798, 11487), (2697, 7658), (3282, 6293), (3829, 5394)]