20170497584

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{506491}}^1$

素因数の和:506649

約数の個数: 40

約数和(自身を含む): 41451305280

約数和(自身を除く): 21280807696

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 131, 152, 262, 304, 524, 1048, 2096, 2489, 4978, 9956, 19912, 39824, 506491, 1012982, 2025964, 4051928, 8103856, 9623329, 19246658, 38493316, 66350321, 76986632, 132700642, 153973264, 265401284, 530802568, 1061605136, 1260656099, 2521312198, 5042624396, 10085248792, 20170497584]

約数ペア:

[(1, 20170497584), (2, 10085248792), (4, 5042624396), (8, 2521312198), (16, 1260656099), (19, 1061605136), (38, 530802568), (76, 265401284), (131, 153973264), (152, 132700642), (262, 76986632), (304, 66350321), (524, 38493316), (1048, 19246658), (2096, 9623329), (2489, 8103856), (4978, 4051928), (9956, 2025964), (19912, 1012982), (39824, 506491)]