20199334185

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{251}}^1\times {\mathrm{61667}}^1$

素因数の和:61958

約数の個数: 48

約数和(自身を含む): 36364386240

約数和(自身を除く): 16165052055

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 251, 261, 435, 753, 1255, 1305, 2259, 3765, 7279, 11295, 21837, 36395, 61667, 65511, 109185, 185001, 308335, 327555, 555003, 925005, 1788343, 2775015, 5365029, 8941715, 15478417, 16095087, 26825145, 46435251, 77392085, 80475435, 139305753, 232176255, 448874093, 696528765, 1346622279, 2244370465, 4039866837, 6733111395, 20199334185]

約数ペア:

[(1, 20199334185), (3, 6733111395), (5, 4039866837), (9, 2244370465), (15, 1346622279), (29, 696528765), (45, 448874093), (87, 232176255), (145, 139305753), (251, 80475435), (261, 77392085), (435, 46435251), (753, 26825145), (1255, 16095087), (1305, 15478417), (2259, 8941715), (3765, 5365029), (7279, 2775015), (11295, 1788343), (21837, 925005), (36395, 555003), (61667, 327555), (65511, 308335), (109185, 185001)]