20076798

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:273

約数の個数: 64

約数和(自身を含む): 47900160

約数和(自身を除く): 27823362

約数列:

[1, 2, 3, 6, 7, 14, 21, 41, 42, 82, 89, 123, 131, 178, 246, 262, 267, 287, 393, 534, 574, 623, 786, 861, 917, 1246, 1722, 1834, 1869, 2751, 3649, 3738, 5371, 5502, 7298, 10742, 10947, 11659, 16113, 21894, 23318, 25543, 32226, 34977, 37597, 51086, 69954, 75194, 76629, 81613, 112791, 153258, 163226, 225582, 244839, 478019, 489678, 956038, 1434057, 2868114, 3346133, 6692266, 10038399, 20076798]

約数ペア:

[(1, 20076798), (2, 10038399), (3, 6692266), (6, 3346133), (7, 2868114), (14, 1434057), (21, 956038), (41, 489678), (42, 478019), (82, 244839), (89, 225582), (123, 163226), (131, 153258), (178, 112791), (246, 81613), (262, 76629), (267, 75194), (287, 69954), (393, 51086), (534, 37597), (574, 34977), (623, 32226), (786, 25543), (861, 23318), (917, 21894), (1246, 16113), (1722, 11659), (1834, 10947), (1869, 10742), (2751, 7298), (3649, 5502), (3738, 5371)]