20199208408

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{829}}^1\times {\mathrm{5171}}^1$

素因数の和:6056

約数の個数: 64

約数和(自身を含む): 41210496000

約数和(自身を除く): 21011287592

約数列:

[1, 2, 4, 8, 19, 31, 38, 62, 76, 124, 152, 248, 589, 829, 1178, 1658, 2356, 3316, 4712, 5171, 6632, 10342, 15751, 20684, 25699, 31502, 41368, 51398, 63004, 98249, 102796, 126008, 160301, 196498, 205592, 320602, 392996, 488281, 641204, 785992, 976562, 1282408, 1953124, 3045719, 3906248, 4286759, 6091438, 8573518, 12182876, 17147036, 24365752, 34294072, 81448421, 132889529, 162896842, 265779058, 325793684, 531558116, 651587368, 1063116232, 2524901051, 5049802102, 10099604204, 20199208408]

約数ペア:

[(1, 20199208408), (2, 10099604204), (4, 5049802102), (8, 2524901051), (19, 1063116232), (31, 651587368), (38, 531558116), (62, 325793684), (76, 265779058), (124, 162896842), (152, 132889529), (248, 81448421), (589, 34294072), (829, 24365752), (1178, 17147036), (1658, 12182876), (2356, 8573518), (3316, 6091438), (4712, 4286759), (5171, 3906248), (6632, 3045719), (10342, 1953124), (15751, 1282408), (20684, 976562), (25699, 785992), (31502, 641204), (41368, 488281), (51398, 392996), (63004, 320602), (98249, 205592), (102796, 196498), (126008, 160301)]