20295876304

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{319439}}^1$

素因数の和:319496

約数の個数: 60

約数和(自身を含む): 45274870080

約数和(自身を除く): 24978993776

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 152, 176, 209, 304, 361, 418, 722, 836, 1444, 1672, 2888, 3344, 3971, 5776, 7942, 15884, 31768, 63536, 319439, 638878, 1277756, 2555512, 3513829, 5111024, 6069341, 7027658, 12138682, 14055316, 24277364, 28110632, 48554728, 56221264, 66762751, 97109456, 115317479, 133525502, 230634958, 267051004, 461269916, 534102008, 922539832, 1068204016, 1268492269, 1845079664, 2536984538, 5073969076, 10147938152, 20295876304]

約数ペア:

[(1, 20295876304), (2, 10147938152), (4, 5073969076), (8, 2536984538), (11, 1845079664), (16, 1268492269), (19, 1068204016), (22, 922539832), (38, 534102008), (44, 461269916), (76, 267051004), (88, 230634958), (152, 133525502), (176, 115317479), (209, 97109456), (304, 66762751), (361, 56221264), (418, 48554728), (722, 28110632), (836, 24277364), (1444, 14055316), (1672, 12138682), (2888, 7027658), (3344, 6069341), (3971, 5111024), (5776, 3513829), (7942, 2555512), (15884, 1277756), (31768, 638878), (63536, 319439)]