20996937268

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1\times {\mathrm{20731}}^1$

素因数の和:20968

約数の個数: 48

約数和(自身を含む): 39078990720

約数和(自身を除く): 18082053452

約数列:

[1, 2, 4, 23, 46, 92, 101, 109, 202, 218, 404, 436, 2323, 2507, 4646, 5014, 9292, 10028, 11009, 20731, 22018, 41462, 44036, 82924, 253207, 476813, 506414, 953626, 1012828, 1907252, 2093831, 2259679, 4187662, 4519358, 8375324, 9038716, 48158113, 51972617, 96316226, 103945234, 192632452, 207890468, 228227579, 456455158, 912910316, 5249234317, 10498468634, 20996937268]

約数ペア:

[(1, 20996937268), (2, 10498468634), (4, 5249234317), (23, 912910316), (46, 456455158), (92, 228227579), (101, 207890468), (109, 192632452), (202, 103945234), (218, 96316226), (404, 51972617), (436, 48158113), (2323, 9038716), (2507, 8375324), (4646, 4519358), (5014, 4187662), (9292, 2259679), (10028, 2093831), (11009, 1907252), (20731, 1012828), (22018, 953626), (41462, 506414), (44036, 476813), (82924, 253207)]