20161932595

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{503}}^1$

素因数の和:685

約数の個数: 128

約数和(自身を含む): 31979888640

約数和(自身を除く): 11817956045

約数列:

[1, 5, 7, 17, 23, 29, 35, 85, 101, 115, 119, 145, 161, 203, 391, 493, 503, 505, 595, 667, 707, 805, 1015, 1717, 1955, 2323, 2465, 2515, 2737, 2929, 3335, 3451, 3521, 3535, 4669, 8551, 8585, 11339, 11569, 11615, 12019, 13685, 14587, 14645, 16261, 17255, 17605, 20503, 23345, 39491, 42755, 49793, 50803, 56695, 57845, 59857, 60095, 67367, 72935, 79373, 80983, 81305, 102109, 102515, 196673, 197455, 247979, 248965, 254015, 276437, 299285, 335501, 336835, 348551, 355621, 396865, 404915, 471569, 510545, 863651, 983365, 1145239, 1168469, 1239895, 1376711, 1382185, 1473287, 1677505, 1735853, 1742755, 1778105, 2348507, 2357845, 4318255, 5703517, 5726195, 5842345, 6045557, 6883555, 7366435, 8016673, 8179283, 8679265, 10313009, 11742535, 19863973, 25045879, 28517585, 30227785, 33885601, 39924619, 40083365, 40896415, 51565045, 99319865, 125229395, 139047811, 169428005, 175321153, 199623095, 237199207, 576055217, 695239055, 876605765, 1185996035, 2880276085, 4032386519, 20161932595]

約数ペア:

[(1, 20161932595), (5, 4032386519), (7, 2880276085), (17, 1185996035), (23, 876605765), (29, 695239055), (35, 576055217), (85, 237199207), (101, 199623095), (115, 175321153), (119, 169428005), (145, 139047811), (161, 125229395), (203, 99319865), (391, 51565045), (493, 40896415), (503, 40083365), (505, 39924619), (595, 33885601), (667, 30227785), (707, 28517585), (805, 25045879), (1015, 19863973), (1717, 11742535), (1955, 10313009), (2323, 8679265), (2465, 8179283), (2515, 8016673), (2737, 7366435), (2929, 6883555), (3335, 6045557), (3451, 5842345), (3521, 5726195), (3535, 5703517), (4669, 4318255), (8551, 2357845), (8585, 2348507), (11339, 1778105), (11569, 1742755), (11615, 1735853), (12019, 1677505), (13685, 1473287), (14587, 1382185), (14645, 1376711), (16261, 1239895), (17255, 1168469), (17605, 1145239), (20503, 983365), (23345, 863651), (39491, 510545), (42755, 471569), (49793, 404915), (50803, 396865), (56695, 355621), (57845, 348551), (59857, 336835), (60095, 335501), (67367, 299285), (72935, 276437), (79373, 254015), (80983, 248965), (81305, 247979), (102109, 197455), (102515, 196673)]