20034872

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{211}}^1$

素因数の和:324

約数の個数: 64

約数和(自身を含む): 44876160

約数和(自身を除く): 24841288

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 83, 88, 104, 143, 166, 211, 286, 332, 422, 572, 664, 844, 913, 1079, 1144, 1688, 1826, 2158, 2321, 2743, 3652, 4316, 4642, 5486, 7304, 8632, 9284, 10972, 11869, 17513, 18568, 21944, 23738, 30173, 35026, 47476, 60346, 70052, 94952, 120692, 140104, 192643, 227669, 241384, 385286, 455338, 770572, 910676, 1541144, 1821352, 2504359, 5008718, 10017436, 20034872]

約数ペア:

[(1, 20034872), (2, 10017436), (4, 5008718), (8, 2504359), (11, 1821352), (13, 1541144), (22, 910676), (26, 770572), (44, 455338), (52, 385286), (83, 241384), (88, 227669), (104, 192643), (143, 140104), (166, 120692), (211, 94952), (286, 70052), (332, 60346), (422, 47476), (572, 35026), (664, 30173), (844, 23738), (913, 21944), (1079, 18568), (1144, 17513), (1688, 11869), (1826, 10972), (2158, 9284), (2321, 8632), (2743, 7304), (3652, 5486), (4316, 4642)]