20868960

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{6211}}^1$

素因数の和:6236

約数の個数: 96

約数和(自身を含む): 75140352

約数和(自身を除く): 54271392

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 6211, 12422, 18633, 24844, 31055, 37266, 43477, 49688, 62110, 74532, 86954, 93165, 99376, 124220, 130431, 149064, 173908, 186330, 198752, 217385, 248440, 260862, 298128, 347816, 372660, 434770, 496880, 521724, 596256, 652155, 695632, 745320, 869540, 993760, 1043448, 1304310, 1391264, 1490640, 1739080, 2086896, 2608620, 2981280, 3478160, 4173792, 5217240, 6956320, 10434480, 20868960]

約数ペア:

[(1, 20868960), (2, 10434480), (3, 6956320), (4, 5217240), (5, 4173792), (6, 3478160), (7, 2981280), (8, 2608620), (10, 2086896), (12, 1739080), (14, 1490640), (15, 1391264), (16, 1304310), (20, 1043448), (21, 993760), (24, 869540), (28, 745320), (30, 695632), (32, 652155), (35, 596256), (40, 521724), (42, 496880), (48, 434770), (56, 372660), (60, 347816), (70, 298128), (80, 260862), (84, 248440), (96, 217385), (105, 198752), (112, 186330), (120, 173908), (140, 149064), (160, 130431), (168, 124220), (210, 99376), (224, 93165), (240, 86954), (280, 74532), (336, 62110), (420, 49688), (480, 43477), (560, 37266), (672, 31055), (840, 24844), (1120, 18633), (1680, 12422), (3360, 6211)]