20165373618

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{503}}^1\times {\mathrm{513977}}^1$

素因数の和:514498

約数の個数: 32

約数和(自身を含む): 43519545216

約数和(自身を除く): 23354171598

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 503, 1006, 1509, 3018, 6539, 13078, 19617, 39234, 513977, 1027954, 1541931, 3083862, 6681701, 13363402, 20045103, 40090206, 258530431, 517060862, 775591293, 1551182586, 3360895603, 6721791206, 10082686809, 20165373618]

約数ペア:

[(1, 20165373618), (2, 10082686809), (3, 6721791206), (6, 3360895603), (13, 1551182586), (26, 775591293), (39, 517060862), (78, 258530431), (503, 40090206), (1006, 20045103), (1509, 13363402), (3018, 6681701), (6539, 3083862), (13078, 1541931), (19617, 1027954), (39234, 513977)]