16820760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{12743}}^1$

素因数の和:12768

約数の個数: 64

約数和(自身を含む): 55054080

約数和(自身を除く): 38233320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 12743, 25486, 38229, 50972, 63715, 76458, 101944, 127430, 140173, 152916, 191145, 254860, 280346, 305832, 382290, 420519, 509720, 560692, 700865, 764580, 841038, 1121384, 1401730, 1529160, 1682076, 2102595, 2803460, 3364152, 4205190, 5606920, 8410380, 16820760]

約数ペア:

[(1, 16820760), (2, 8410380), (3, 5606920), (4, 4205190), (5, 3364152), (6, 2803460), (8, 2102595), (10, 1682076), (11, 1529160), (12, 1401730), (15, 1121384), (20, 841038), (22, 764580), (24, 700865), (30, 560692), (33, 509720), (40, 420519), (44, 382290), (55, 305832), (60, 280346), (66, 254860), (88, 191145), (110, 152916), (120, 140173), (132, 127430), (165, 101944), (220, 76458), (264, 63715), (330, 50972), (440, 38229), (660, 25486), (1320, 12743)]