20389968148

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{263}}^1\times {\mathrm{503}}^1$

素因数の和:925

約数の個数: 96

約数和(自身を含む): 40772616192

約数和(自身を除く): 20382648044

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 113, 124, 226, 263, 341, 452, 503, 526, 682, 1006, 1052, 1243, 1364, 2012, 2486, 2893, 3503, 4972, 5533, 5786, 7006, 8153, 11066, 11572, 14012, 15593, 16306, 22132, 29719, 31186, 32612, 38533, 56839, 59438, 62372, 77066, 89683, 113678, 118876, 132289, 154132, 171523, 179366, 227356, 264578, 326909, 343046, 358732, 529156, 625229, 653818, 686092, 921289, 1250458, 1307636, 1455179, 1762009, 1842578, 2500916, 2910358, 3524018, 3685156, 4100959, 5820716, 7048036, 8201918, 10134179, 14948657, 16403836, 19382099, 20268358, 29897314, 38764198, 40536716, 45110549, 59794628, 77528396, 90221098, 164435227, 180442196, 328870454, 463408367, 657740908, 926816734, 1853633468, 5097492037, 10194984074, 20389968148]

約数ペア:

[(1, 20389968148), (2, 10194984074), (4, 5097492037), (11, 1853633468), (22, 926816734), (31, 657740908), (44, 463408367), (62, 328870454), (113, 180442196), (124, 164435227), (226, 90221098), (263, 77528396), (341, 59794628), (452, 45110549), (503, 40536716), (526, 38764198), (682, 29897314), (1006, 20268358), (1052, 19382099), (1243, 16403836), (1364, 14948657), (2012, 10134179), (2486, 8201918), (2893, 7048036), (3503, 5820716), (4972, 4100959), (5533, 3685156), (5786, 3524018), (7006, 2910358), (8153, 2500916), (11066, 1842578), (11572, 1762009), (14012, 1455179), (15593, 1307636), (16306, 1250458), (22132, 921289), (29719, 686092), (31186, 653818), (32612, 625229), (38533, 529156), (56839, 358732), (59438, 343046), (62372, 326909), (77066, 264578), (89683, 227356), (113678, 179366), (118876, 171523), (132289, 154132)]