20080972947

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{643}}^1\times {\mathrm{2699}}^1$

素因数の和:3400

約数の個数: 64

約数和(自身を含む): 33384960000

約数和(自身を除く): 13303987053

約数列:

[1, 3, 7, 19, 21, 29, 57, 87, 133, 203, 399, 551, 609, 643, 1653, 1929, 2699, 3857, 4501, 8097, 11571, 12217, 13503, 18647, 18893, 36651, 51281, 55941, 56679, 78271, 85519, 130529, 153843, 234813, 256557, 354293, 358967, 391587, 547897, 1062879, 1076901, 1487149, 1643691, 1735457, 2480051, 4461447, 5206371, 7440153, 10410043, 12148199, 31230129, 32973683, 36444597, 50328253, 98921049, 150984759, 230815781, 352297771, 692447343, 956236807, 1056893313, 2868710421, 6693657649, 20080972947]

約数ペア:

[(1, 20080972947), (3, 6693657649), (7, 2868710421), (19, 1056893313), (21, 956236807), (29, 692447343), (57, 352297771), (87, 230815781), (133, 150984759), (203, 98921049), (399, 50328253), (551, 36444597), (609, 32973683), (643, 31230129), (1653, 12148199), (1929, 10410043), (2699, 7440153), (3857, 5206371), (4501, 4461447), (8097, 2480051), (11571, 1735457), (12217, 1643691), (13503, 1487149), (18647, 1076901), (18893, 1062879), (36651, 547897), (51281, 391587), (55941, 358967), (56679, 354293), (78271, 256557), (85519, 234813), (130529, 153843)]