20128937554

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{977}}^1\times {\mathrm{2143}}^1$

素因数の和:3175

約数の個数: 64

約数和(自身を含む): 36233256960

約数和(自身を除く): 16104319406

約数列:

[1, 2, 11, 19, 22, 23, 38, 46, 209, 253, 418, 437, 506, 874, 977, 1954, 2143, 4286, 4807, 9614, 10747, 18563, 21494, 22471, 23573, 37126, 40717, 44942, 47146, 49289, 81434, 98578, 204193, 247181, 408386, 426949, 447887, 494362, 542179, 853898, 895774, 936491, 1084358, 1872982, 2093711, 4187422, 4696439, 9392878, 10301401, 20602802, 23030821, 39780509, 46061642, 48155353, 79561018, 96310706, 437585599, 529708883, 875171198, 914951707, 1059417766, 1829903414, 10064468777, 20128937554]

約数ペア:

[(1, 20128937554), (2, 10064468777), (11, 1829903414), (19, 1059417766), (22, 914951707), (23, 875171198), (38, 529708883), (46, 437585599), (209, 96310706), (253, 79561018), (418, 48155353), (437, 46061642), (506, 39780509), (874, 23030821), (977, 20602802), (1954, 10301401), (2143, 9392878), (4286, 4696439), (4807, 4187422), (9614, 2093711), (10747, 1872982), (18563, 1084358), (21494, 936491), (22471, 895774), (23573, 853898), (37126, 542179), (40717, 494362), (44942, 447887), (47146, 426949), (49289, 408386), (81434, 247181), (98578, 204193)]